Things i need to know Flashcards
1
Q
What is gas exchange
A
how gases move by diffusion across a surface
2
Q
Why do we need gas exchange in the lungs
A
Because then we have constant supply of oxygen
3
Q
What gases exchange
A
Oxygen (moves into the blood) Carbon Dioxide (moves out of the blood)
4
Q
what adaptions aid with gas exchange in the lungs.
A
Aveoli because it is moist and has thin walls and they have lots of blood vessels and capillaries.
5
Q
What is the difference between breathing and resperation
A
Breathing is inhaling and exhaling. Respiration is oxygen moving from outside into the cells
