Breathing and Exchange of GasesHard
Question
The diagram below repressent part of a capillary in a specific region of the human body. The region labeled X represents part of
Options
A.a glomerulus
B.an alveolus
C.avillus
D.the liver
Solution
An alveolus is a tiny air sac in the lung. It is the actul part of the lung that exchanges atmospheric oxygen with carbon dioxide from the blood . A glomerulus is a ball of capillaries found in the nephrons of the kindneys (to filter nitrogenous wastes), a villus is a tiny projection of a capillary in the small intestine (toabsorb digested food), and breakdown of amino acids.
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