Question

Which among the options is/are accessory excretory organ(s)?

• A. Liver
• B. Skin
• C. Lungs
• D. Heart

Answer 1

Answer: (A), (B), (C)

The correct options are
A

Liver

B

Skin

C

Lungs

Skin: Human skin possesses glands for secreting fluids on its surface. Eg: sweat from the sweat glands and sebum from sebaceous glands.
Lungs: The lungs help in removing carbon dioxide from the body through exhalation.
Liver: Liver is the largest gland in vertebrates. Urea is formed in the liver. Ammonia - a toxic substance - is quickly changed into urea in the liver and hence eliminated from the body.