What body systems are involved in excretion of wastes? a) integumentary, muscular, nervous, digestive b) respiratory, circulatory, digestive, muscular c) digestive, muscular, nervous, endocrine, respiratory d) integumentary, digestive, respiratory, urinary, circulatory

The correct option is D

Explanation:

Integumentary system consists of organs including the skin which is used in the excretion of sweat.

Digestive system consists of organs including the tongue, pancrease, gallbladder and liver. The liver for example regulates toxic substances in the body and excretes a substance known as bile.

Respiratory system consists of organs including the lungs which is used to breathe in oxygen and breathe out carbon dioxide.

Urinary system consists of the kidneys, urethra, bladder and ureters; they are involved in the excretion of urine.

Circulatory system consists of the blood, the blood vessels and heart. The circulatory system also assists in the removal of carbon dioxide from the body.

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