june 2020- paper 3 Flashcards
1
Q
how would consuming high levels of sodium impact blood volume? (3)
A
- Na+ lower blood water potential
- water would move into the blood via osmosis
- increasing blood volume
2
Q
why does exercise not increase pCO2 in air breathed out? (2)
A
- increase in breathing rate
- similar pCO2 per breath, but more breaths