BREATHING SOLUTIONS Flashcards
1
Q
Difference between iron lung and modern ventillator
A
Iron lung outside pressure forces air into lungs
Modern = air forced in mechanically
2
Q
-ve and +ve of using modern rather than iron long
A
-ve: can’t eat
+ve: more freedom
3
Q
Artery
A
Deoxygenated
4
Q
Why are ions absorbed by active transport
A
Concerntration of ions in soil is less so energy is needed to move the ions
5
Q
Why plants absorb water through osmosis
A
Solution in soil is more dilute so water moves from dilute to more concerntrated region
6
Q
Transpiration stream
A
Water moves up stem via xylem to the leaves
Water evaporates via stomata
