Circulatory & Respiratory Systems – CrashCourse Biology #27

Hank takes us on a trip around the body – we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function.

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Table of Contents
1) Respiratory System 00:48
2) Simple Diffusion 00:55
3) Respiratory Anatomy 02:35
a) Trachea to Capillaries 03:10
4) Lung Function & Thoracic Diaphragm 04:37
5) Circulatory System 05:35
6) Circulatory Anatomy 05:54
a) Left Ventricle to Capillary Beds 06:50
b) Veins to Left Atrium 08:46
7) Endotherms & Ectotherms 09:20

References for this episode can be found in the Google document here: http://dft.ba/-3cHg

This video uses the following sounds from Freesound.org:
“00559 deep breathing 1.wav” by Robinhood76

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