Question 14
ExcretionThe diagram is an illustration of the longitudinal section of a mammalian organ.
What is the main function of the organ?
- A.Excretion
- B.Respiration
- C.Reproduction
- D.Locomotion
Show the answer and explanation
Answer: A (Excretion)
Explanation
The kidney removes urea and excess water and salts from the blood as urine.