Respiration

A.  Basic Breathing Mechanism

1. Pics of intercostal muscles http://www.evolvingsciences.com/Muscles%20on%20the%20respiratory%20system.html

2. Internal and External Intercostal Muscles Movement (I) https://www.youtube.com/shorts/DT51XnniuE8

3.  Internal and External Intercostal Muscles Movement (II) https://www.youtube.com/watch?v=6bkjJWBBnCo 

4. Exhalation-Inhalation pressure graph https://www.youtube.com/watch?v=W0GpFvAo_1g 

5. The mechanism of breathing Video http://www.youtube.com/watch?v=858cJYK2pXU

B. Respiratory Conditions

1. Asthma Video http://www.nhs.uk/video/pages/Asthmaanimation.aspx

2. Smoking and bronchitis https://www.youtube.com/watch?v=B1G6JB8A6sc

3. Emphysema https://www.youtube.com/watch?v=SA52HJNA5oU

4. Emphysema (Detailed) https://www.youtube.com/watch?v=TEuSV_7gWA8  

5. Emphysema vs. Chronic Bronchitis https://www.youtube.com/watch?v=IJaTfwXjIC0