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4. (a) Name different excretory organs present in human body.
(b) Which excretory product is removed by each of these organs?
(c) What is the function of sweat glands?
Answers
Explanation:
4. (a)Organs of excretion include the skin, liver, large intestine, lungs, and kidneys (see the figure below). Together, these organs make up the excretory system
(b)Organ(s) Function
Lungs Remove carbon dioxide.
Skin Sweat glands remove water, salts, and other wastes.
Large intestine Removes solid waste and some water in the form of feces.
Kidneys Remove urea, salts, and excess water from the blood.
(c) Sweat glands occur all over the body, but are most numerous on the forehead, the armpits, the palms and the soles of the feet. Sweat is mainly water, but it also contains some salts. Its main function is to control body temperature. As the water in the sweat evaporates, the surface of the skin cools