june 2020- paper 3 Flashcards

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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
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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

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