Medical Quiz

Circulation and Excretion Quiz

Ammonia is the most toxic nitrogenous waste. Organisms that produce this must have access to lots of

A. oxygen

B. proteins

C. dry air

D. water

Select your answer:


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Other quiz:

Eye Physiology › View

Light waves are bent first by the ______.

A. cornea

B. aqueous humor

C. lens

D. vitreous humor

Dental Caries › View

True or false; is the bone stronger than the enamel?

A. yes

B. no