Medical Quiz

Excretion in Humans Quiz

Lungs are important organs for excretion of

A. carbon dioxide

B. ammonia

C. water

Select your answer:


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Other quiz:

Digestive System › View

What stores bile?
A. Colon
B. Gall Bladder
C. Small Intestine

Skin Growth › View

The stratum germinativum is composed of several layers with special cells that produce a dark skin pigment called: 

A. granules

B. melanin

C. elongated

D. keratin