Soc 17 The Structure Of The Respiratory System Flashcards
1
Q
Why do we need the respiratory system
A
- To get oxygen into the body and keep the body supplied
- To remove carbon dioxide from the body
2
Q
Inspiration
A
breathing in
20% oxygen + 0.4% carbon dioxide
3
Q
Exhalation
A
breathing out
16% oxygen + 4% carbon dioxide
4
Q
Vital capcity
A
is the greatest amount of air that can be pass into and out of the lungs by the most forceful inspiration and expiration.
5
Q
Tidal volume
A
is the amount of air inspired and expired with each breath.
6
Q
Oxygen debt
A
the amount of oxygen needed at the end of a physical activity to break down any lactic acid is known as oxygen debt.
7
Q
Diaphragm movement
A
changes from a dome shape to a flatter shape when we breathe in and relaxes when we breathe out.
8
Q
Alveoli
A
These are the branches of the bronchioles. They feed oxygen through capillaries into the blood stream
