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Cron	23rd October 2005 12:13

Small HPL Q

Would be grateful for some help with this one:

Q. Gases of physiological importance to man are?
a) Oxygen and carbon dioxide
b) Nitrogen and carbon dioxide
c) Oxygen and carbon monoxide
d) Oxygen, nitrogen and water vapour

Thnak you in advance for any assistance.

nick14

23rd October 2005 12:41

a methinks due to respiration but just an idea from me

:ok:
Nick

ATPMBA

23rd October 2005 13:28

Answer - A

You need oxygen to live, we expell CO2, and when CO2 is flushed from our blood (as in hyperventalation) bad things can happen.

PS- Remember on Apollo 13, the race to make a CO2 scrubber?

Cron	23rd October 2005 13:50

Appreciated, thank you for you help.

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