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Excretion

Unit 1 Module 2

QuestionAnswer
Excretion - the removal of metabolic waste from the body - metabolic waste consists of waste products that may be toxic or in excess from reactions in cells
Carbon dioxide - reduction of oxygen transport - majority of CO2 is carried in the blood as HCO3- ions - formation of HCO3- also forms H+ which produces HHb - competes with O2 for space, reducing oxygen transport
- CO2 combines directly with Hb to form carbaminohaemoglobin - has a lower affinity for oxygen than Hb
Created by: 1206085599
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