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Roger is a 25 year old astronaut who is travelling to another planet in a one-man...

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Biology

Roger is a 25 year old astronaut who is travelling to anotherplanet in a one-man spaceship. While in space, the capsule becomepartially depressurised.

Using your knowledge of internal and external respiration(M2L4), please answer the following questions below. Be sure toclearly label the different parts.

Part A. Describe with details how Henry's law relates toexternal respiration (1.5 marks)

Part B. How does the reduction in partial pressure in thespaceship affect Roger's oxygen uptake? Explain your reasoning. (1mark)

Part C. Against all odds, Roger makes it to a new planet butcarbon dioxide is less soluble on this planet. How will this affectRoger’s ability to breathe? (1 mark)

Answer & Explanation Solved by verified expert
3.6 Ratings (469 Votes)
ANSWER PART A and B Henrys Law states that in case of the diffusion of oxygen or other gases into the bloodstream the partial pressure plays a very important role More the partial pressure more will be the diffusion Lets consider the example of diffusion of oxygen into the blood When oxygen is being inhaled it has a relatively higher partial pressure as    See Answer
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