The Lungs Flashcards
1
Q
Where are the lungs
A
In the thorax
2
Q
What is the thorax
A
The top part of your body
It is separated from the lower part of body by the diaphragm
3
Q
What happens when you breathe in
A
1.Goes in through trachea
2. Splits off into the two bronchi tubes
3. Splits into smaller tubes called bronchioles
4. Ends at the alveoli where gas exchanges
4
Q
What happens at the alveoli
A
Oxygen diffuses into blood from alveoli and carbon dioxide from the blood into alveoli
5
Q
What happens when blood reaches body cells
A
Oxygen diffuses from red blood cells into body cells
Carbon dioxide diffuses out of body cells and into red blood cells
