Excretion

Question 1

2.71: What does the lung excrete?

Answer 1

Lung excretes Carbon Dioxide as a waste product of Aerobic respiration via Exhalation

Question 2

2.71: What does the kidney excrete?

Answer 2

Kidney excretes excess Water, Salts and urea by producing Urine via osmoregulation

Question 3

2.71: What does the skin excrete?

Answer 3

Skin excretes excess Water and Salts through sweat glands of skin by producing sweat