Topics: Excretory System Quiz
In a healthy person, the main job of the kidney is to produce urine that contains
A. indigestible foods and bacteria.
B. glucose and amino acids.
C. toxic waste products of metabolism.
D. water and plasma proteins.
Select your answer:

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Digestive System › Viewgastrorrhagia
A. Discharge of blood from the stomach.
B. Bursting forth of blood.
C. Spitting up blood (from the respiratory tract).
Digestive System › View
an organ inside your skull that controls your body and provides the ability to think and feel
A. heart
B. brain
C. kidneys
D. stomach