Check out the series on the respiratory system, https://www.youtube.com/watch?v=GfR7zxwjmFQ&t=

An artery can be defined as a blood vessel which carries;
a. oxygenated blood
b. deoxygenated blood
c. blood towards the heart
d. away from the heart 

A vein can be defined as a blood vessel which carries;
a. oxygenated blood
b. deoxygenated blood
c. blood towards the heart 
d. away from the heart

Blood spurting from a cut indicates injury to;
a. veins
b. capillaries
c. arteries 
d. lymphatic afferent vessels

Which vessels are the most sensitive to pain?
a. veins
b. capillaries
c. arteries 
d. lymphatic afferent vessels

Circulation of the blood around the alveoli at a tiny and microscopic lever.

The left side of the heart pumps blood to the body in the systemic circulation, the right side of the heart pumps blood to the lungs in the pulmonary circulation.

Pulmonary and systemic circulation MCQs. Leave answers in the comments section for marking.

1. Which of the following blood vessels contains relatively deoxygenated blood?
a. pulmonary vein
b. pulmonary artery
c. aorta
d. carotid artery

2. Which of the following blood vessels conducts blood to the systemic circulation?
a. pulmonary vein
b. pulmonary artery
c. aorta
d. carotid artery

3. Which vessel drains blood from the arms?
a. cephalic vein
b. femoral vein
c. hepatic portal vein
d. brachial artery

4. Which vessel drains into capillaries?
a. cephalic vein
b. femoral vein
c. hepatic portal vein
d. brachial artery

A review of arteries and veins and how they work together in the circulation of blood aroud the body.
Arteries and veins MCQs, leave answers in the comments section for marking.

1. An artery can be defined as a blood vessel which carries;
a. oxygenated blood
b. deoxygenated blood
c. blood towards the heart
d. away from the heart.

2. A vein can be defined as a blood vessel which carries;
a. oxygenated blood
b. deoxygenated blood
c. blood towards the heart.
d. away from the heart

3. Which of the following structures contain valves to ensure one-way flow of blood?
a. pulmonary arteries
b. systemic veins.
c. systemic arteries
d. venules

4. Blood spurting from a cut indicates injury to;
a. veins
b. capillaries
c. arteries
d. lymphatic afferent vessels

5. Which vessels are most sensitive to pain?
a. veins
b. capillaries
c. arteries
d. lymphatic afferent vessels

Check out the series on the Nervous System as well, https://www.youtube.com/watch?v=

The function of the mitral valve is to prevent reflux of blood from the;
a. right ventricle into the right atrium
b. right atrium into the right ventricle 
c. left ventricle into the left atrium  
d. left atrium into the left ventricle 

The function of the tricuspid valve is to prevent reflux of blood from the;
a. right ventricle into the right atrium 
b. right atrium into the right ventricle 
c. left ventricle into the left atrium 
d. left atrium into the left ventricle 

Which chamber of the heart receives blood from the inferior and superior vena cava?
the left atrium
the right atrium  
the left ventricle
the right ventricle

The ‘Dub’ noise is caused by the;
a. opening of the atrioventricular valves
b. closure of the atrioventricular valves
c. opening of the arterial valves
d. closure of the arterial valves

Check out the Respiratory System series, https://www.youtube.com/watch?v=GfR7zxwjmFQ&t=

Which chamber of the heart pumps blood into the pulmonary artery?
a. the left atrium
b. the right atrium
c. the left ventricle
d. the right ventricle  

Which chamber of the heart pumps blood into the systemic circulation?
a. the left atrium
b. the right atrium
c. the left ventricle  
d. the right ventricle

Which chamber of the heart receives blood from the pulmonary circulation?
a. the left atrium 
b. the right atrium
c. the left ventricle
d. the right ventricle

Which layer of the heart is composed of tough fibrous tissue?
a. the endocardium
b. the myocardium
c. the epicardium
d. the pericardium  

The endocardium is composed of
a. tough fibrous tissue
b. cardiac muscle
c. smooth, squamous endothelial cells  
d. ciliated, cuboidal epithelial cells

Which layer of the heart is composed of cardiac muscle?
a. the endocardium
b. the myocardium 
c. the epicardium
d. the pericardium

Cell Structure #2024 GCE #education #viral

MIT 7.016 Introductory Biology, Fall 2018
Instructor: Barbara Imperiali, Adam Martin
View the complete course: https://ocw.mit.edu/7-016F18
YouTube Playlist: https://www.youtube.com/playli....st?list=PLUl4u3cNGP6

Professors Imperiali and Martin introduce themselves and the teaching team. Then after going over the organization of the course, they give students an overview of modern biology and topics that will be covered during the semester.

License: Creative Commons BY-NC-SA
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More courses at https://ocw.mit.edu

MIT 6.622 Power Electronics, Spring 2023
Instructor: David Perreault

View the complete course (or resource): https://ocw.mit.edu/courses/6-....622-power-electronic
YouTube Playlist: https://www.youtube.com/playli....st?list=PLUl4u3cNGP6

In this lecture, we first review linear vs. switching regulators. We then introduce definitions and methods for analyzing switching circuits, including the Method of Assumed States and Periodic Steady State.

License: Creative Commons BY-NC-SA
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MIT 6.622 Power Electronics, Spring 2023
Instructor: David Perreault

View the complete course (or resource): https:/rocktv.app

The primary function of power electronic circuits is the processing and control of electrical energy. This class discusses the history, evolution, needs, and goals of power electronics.

License: Creative Commons BY-NC-SA
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More courses at https://ocw.mit.edu

Support OCW at http://ow.ly/a1If50zVRlQ

We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments.

A #computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the #network nodes. The interconnections between nodes are formed from a broad spectrum of telecommunication network technologies, based on physically wired, optical, and wireless radio-frequency methods that may be arranged in a variety of network topologies.

The nodes of a #computer_network may be classified by many means as personal computers, servers, networking hardware, or general purpose hosts. They are identified by hostnames and network addresses. Hostnames serve as memorable labels for the nodes, rarely changed after initial assignment. Network addresses serve for locating and identifying the nodes by communication protocols such as the Internet Protocol.

In this comprehensive computer networking course you will learn ins and out of computer networking. You will learn from the very basic of computer networking to the very advance concept of networking. The following topic has been discussed in great details in this course:
Introduction to Networking

*** Topics ***
Intro to Network Devices (part 1) (0:00)
Intro to Network Devices (part 2) (7:14)
Networking Services and Applications (part 1) (15:10)
Networking Services and Applications (part 2) (22:55)
DHCP in the Network (26:00)
Introduction to the DNS Service (35:59)
Introducing Network Address Translation (44:13)
WAN Technologies (part 1) (51:16)
WAN Technologies (part 2) (1:01:00)
WAN Technologies (part 3) (1:8:10)
WAN Technologies (part 4) (1:16:00)
Network Cabling (part 1) (1:21:00)
Network Cabling (part 2) (1:30:35)
Network Cabling (part 3) (1:37:00)
Network Topologies (1:42:00)
Network Infrastructure Implementations (1:49:00)
Introduction to IPv4 (part 1) (1:55:00)
Introduction to IPv4 (part 2) (2:01:47)
Introduction to IPv6 (2:15:00)
Special IP Networking Concepts (2:25:36)
Introduction to Routing Concepts (part 1) (2:33:39)
Introduction to Routing Concepts (part 2) (2:39:00)
Introduction to Routing Protocols (2:49:26)
Basic Elements of Unified Communications (2:54:37)
Virtualization Technologies (3:14:00)
Storage Area Networks (3:05:34)
Basic Cloud Concepts(3:11:10)
Implementing a Basic Network (3:17:57)
Analyzing Monitoring Reports (3:27:28)
Network Monitoring (part 1) (3:33:10)
Network Monitoring (part 2) (3:41:00)
Supporting Configuration Management (part 1) (3:48:00)
Supporting Configuration Management (part 2) (3:55:00)
The Importance of Network Segmentation (4:01:12)
Applying Patches and Updates (4:08:21)
Configuring Switches (part 1) ( :14:10)
Configuring Switches (part 2) (4:21:30)
Wireless LAN Infrastructure (part 1) (4:30:00)
Wireless LAN Infrastucture (part 2)
Risk and Security Related Concepts
Common Network Vulnerabilities
Common Network Threats (part 1)
Common Network Threats (part 2)
Network Hardening Techniques (part 1)
Network Hardening Techniques (part 2)
Network Hardening Techniques (part 3)
Physical Network Security Control
Firewall Basics
Network Access Control
Basic Forensic Concepts
Network Troubleshooting Methodology
Troubleshooting Connectivity with Utilities
Troubleshooting Connectivity with Hardware
Troubleshooting Wireless Networks (part 1)
Troubleshooting Wireless Networks (part 2)
Troubleshooting Copper Wire Networks (part 1)
Troubleshooting Copper Wire Networks (part 2)
Troubleshooting Fiber Cable Networks
Network Troubleshooting Common Network Issues
Common Network Security Issues
Common WAN Components and Issues
The OSI Networking Reference Model
The Transport Layer Plus ICMP
Basic Network Concepts (part 1)
Basic Network Concepts (part 2)
Basic Network Concepts (part 3)
Introduction to Wireless Network Standards
Introduction to Wired Network Standards
Security Policies and other Documents
Introduction to Safety Practices (part 1)
Introduction to Safety Practices (part 2)
Rack and Power Management
Cable Management
Basics of Change Management
Common Networking Protocols (part 1)
Common Networking Protocols (part 2)


*** Attribution ***
Course Created by: PaceIT Online
YouTube: https://www.youtube.com/channel/UCyTe...
License: Creative Commons Attribution license (reuse allowed)

*** Join our community ****
Join our FB Group: https://www.facebook.com/groups/cslesson
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#html #css #course ⭐ TIME STAMPS ⭐
#1 00:00:00 Introduction to HTML 🌎
00:01:56 VSCode download
00:02:38 project folder setup
00:02:57 index.html
00:03:16 live server extension
00:03:35 html basics
#2 00:11:07 hyperlinks 👈
#3 00:15:15 images 🖼️
#4 00:21:33 audio 🔊
#5 00:26:49 video 🎥
#6 00:31:20 favicons 🗿
#7 00:34:19 text formatting 💬
#8 00:38:10 span & div 🏁
#9 00:42:57 lists 📄
#10 00:49:31 tables 📊
#11 00:54:13 buttons 🔘
#12 00:59:28 forms 📝
#13 01:17:22 headers & footers 🤯
#14 01:23:10 Introduction to CSS 🎨
#15 01:31:10 colors 🖌️
#16 01:35:22 fonts 🔤
#17 01:42:42 borders 🖼
#18 01:47:09 shadows 👥
#19 01:50:27 margins ↔️
#20 01:55:41 float 🎈
#21 02:00:08 overflow 🌊
#22 02:03:31 display property 🧱
#23 02:07:43 height and width 📏
#24 02:14:37 positions 🎯
#25 02:21:00 background images 🏙️
#26 02:24:15 combinators ➕
#27 02:29:12 pseudo-classes ☟
#28 02:36:50 pseudo-elements ✔
#29 02:42:46 pagination 🕮
#30 02:51:44 dropdown menus 🔻
#31 02:58:19 navigation bar 🧭
#32 03:04:46 website layout 🗺️
#33 03:14:13 image gallery 📷
#34 03:19:50 icons 🐤
#35 03:28:23 flexbox 💪
#36 03:38:23 transformations 🔄
#37 03:47:23 animations 🎬

Copyright Disclaimer:

This video is the intellectual property of Bro Code. All rights reserved. No part of this video may be reproduced, distributed, or transmitted in any form or by any means, including but not limited to recording, uploading, or other electronic or mechanical methods, without my written permission, except in the case of brief quotations embodied in critical reviews and certain other noncommercial uses permitted by copyright law.

This full college-level computer networking course will prepare you to configure, manage, and troubleshoot computer networks. It will also help you prepare for CompTIA's Network+ exam.

This course was developed by Brian Ferrill, an instructor at Edmonds Community College.

❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp

⭐️ Course Contents ⭐️
⌨️ (0:00:00) Intro to Network Devices (part 1)
⌨️ (0:07:24) Intro to Network Devices (part 2)
⌨️ (0:15:12) Networking Services and Applications (part 1)
⌨️ (0:22:49) Networking Services and Applications (part 2)
⌨️ (0:28:17) DHCP in the Network
⌨️ (0:38:03) Introduction to the DNS Service
⌨️ (0:46:01) Introducing Network Address Translation
⌨️ (0:52:52) WAN Technologies (part 1)
⌨️ (1:03:02) WAN Technologies (part 2)
⌨️ (1:09:32) WAN Technologies (part 3)
⌨️ (1:17:20) WAN Technologies (part 4)
⌨️ (1:22:32) Network Cabling (part 1)
⌨️ (1:31:24) Network Cabling (part 2)
⌨️ (1:38:15) Network Cabling (part 3)
⌨️ (1:43:28) Network Topologies
⌨️ (1:50:29) Network Infrastructure Implementations
⌨️ (1:56:26) Introduction to IPv4 (part 1)
⌨️ (2:02:42) Introduction to IPv4 (part 2)
⌨️ (2:15:58) Introduction to IPv6
⌨️ (2:26:10) Special IP Networking Concepts
⌨️ (2:34:06) Introduction to Routing Concepts (part 1)
⌨️ (2:40:00) Introduction to Routing Concepts (part 2)
⌨️ (2:49:29) Introduction to Routing Protocols
⌨️ (2:59:01) Basic Elements of Unified Communications
⌨️ (3:04:27) Virtualization Technologies
⌨️ (3:09:24) Storage Area Networks
⌨️ (3:15:33) Basic Cloud Concepts
⌨️ (3:21:43) Implementing a Basic Network
⌨️ (3:31:02) Analyzing Monitoring Reports
⌨️ (3:40:03) Network Monitoring (part 1)
⌨️ (3:48:14) Network Monitoring (part 2)
⌨️ (3:55:10) Supporting Configuration Management (part 1)
⌨️ (4:01:52) Supporting Configuration Management (part 2)
⌨️ (4:07:19) The Importance of Network Segmentation
⌨️ (4:14:18) Applying Patches and Updates
⌨️ (4:19:52) Configuring Switches (part 1)
⌨️ (4:26:39) Configuring Switches (part 2)
⌨️ (4:36:27) Wireless LAN Infrastructure (part 1)
⌨️ (4:46:42) Wireless LAN Infrastructure (part 2)
⌨️ (4:53:17) Risk and Security Related Concepts
⌨️ (5:00:46) Common Network Vulnerabilities
⌨️ (5:09:49) Common Network Threats (part 1)
⌨️ (5:17:13) Common Network Threats (part 2)
⌨️ (5:26:33) Network Hardening Techniques (part 1)
⌨️ (5:36:00) Network Hardening Techniques (part 2)
⌨️ (5:44:40) Network Hardening Techniques (part 3)
⌨️ (5:50:58) Physical Network Security Control
⌨️ (5:57:19) Firewall Basics
⌨️ (6:06:53) Network Access Control
⌨️ (6:13:22) Basic Forensic Concepts
⌨️ (6:22:42) Network Troubleshooting Methodology
⌨️ (6:29:18) Troubleshooting Connectivity with Utilities
⌨️ (6:36:32) Troubleshooting Connectivity with Hardware
⌨️ (6:43:39) Troubleshooting Wireless Networks (part 1)
⌨️ (6:50:56) Troubleshooting Wireless Networks (part 2)
⌨️ (6:57:27) Troubleshooting Copper Wire Networks (part 1)
⌨️ (7:03:49) Troubleshooting Copper Wire Networks (part 2)
⌨️ (7:09:19) Troubleshooting Fiber Cable Networks
⌨️ (7:14:43) Network Troubleshooting Common Network Issues
⌨️ (7:24:40) Common Network Security Issues
⌨️ (7:35:12) Common WAN Components and Issues
⌨️ (7:43:33) The OSI Networking Reference Model
⌨️ (7:51:50) The Transport Layer Plus ICMP
⌨️ (7:58:35) Basic Network Concepts (part 1)
⌨️ (8:05:33) Basic Network Concepts (part 2)
⌨️ (8:12:29) Basic Network Concepts (part 3)
⌨️ (8:17:42) Introduction to Wireless Network Standards
⌨️ (8:24:26) Introduction to Wired Network Standards
⌨️ (8:32:41) Security Policies and other Documents
⌨️ (8:40:08) Introduction to Safety Practices (part 1)
⌨️ (8:48:34) Introduction to Safety Practices (part 2)
⌨️ (8:54:26) Rack and Power Management
⌨️ (9:00:25) Cable Management
⌨️ (9:05:56) Basics of Change Management
⌨️ (9:12:11) Common Networking Protocols (part 1)
⌨️ (9:18:06) Common Networking Protocols (part 2)

Watch the companion video on RockTV here: https://rocktv.app/

In this video we take a look at how vibrating systems can be modelled, starting with the lumped parameter approach and single degree of freedom models. We then go on to look at damping, the dissipation of energy that occurs in all real systems, as well as forced vibration, resonance and multiple degree of freedom models.

---

ERRATA:
- At 04:16, the terms sqrt(k/m) appears not in the equation of motion, but in the *solution* to the equation of motion


---

For further reading I'd recommend the following:

- J. L. Humar - Dynamics of Structures

---

The Efficient Engineer is a channel aimed at mechanical and civil engineers. The mission is to simplify engineering concepts, one video at a time!Follow me on Twitter: https://twitter.com/efficiengineer

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Watch the bonus video on model-based definiton and statistical tolerance analysis here! https://rocktv.app/

Engineering drawings are key tools that engineers use to communicate, but deciphering them isn't always straightforward. In this video we cover the fundamentals, including the different types of views, first and third angle projection methods, dimensioning, tolerancing, best practices when creating drawings, and GD&T (geometric dimensioning and tolerancing).

---

Corrections:
04:00 - Several of the views are drawn incorrectly. The right and rear views should be flipped horizontally and the bottom view should be flipped vertically.

---

If you would like to support the channel, please consider becoming a Patron - https://www.rocktv.app/
This will allow me to create more high quality videos covering a range of engineering topics.

---

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Fundamentals of Mechanical Engineering presented by Robert Snaith
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How endosmosis and exosmosis affect cell water content ?

Osmotic pressure, Osmotic potential, Solute potential

Season Bound and Period Bound Varieties

Types of Culture
Aquaculture, Mariculture and Pisciculture
Arboriculture and Silviculture
Apiculture and Aviculture
Sericulture and Moriculture
Viticulture and Vermiculture