Medical Quiz

Topics: Transportation Quiz

What causes the blood to be the distinct red colour?

A. Heamaglobin

B. Glucose

C. Hormones

D. Oxygen

Select your answer:
     


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Why plants become wilt?

A. Less water evaporate from the plants

B. The plant loss excessive amount of water through transpiration

C. The stomata of the plants are closed

D. The weather are cool.