B. lungs and kidneys
C. kidneys and liver
D. liver and pancreas
The primary organs of excretion are the lungs and kidneys. Therefore, option B is correct.
The process which is responsible for the elimination of waste or toxic products from the body is called excretion. The lungs are responsible for the elimination of carbon dioxide and some water vapor through exhalation.
The kidneys play a vital role in filtering waste products, excess water, and other substances from the blood to form urine, which is then eliminated from the body. Together, the lungs and kidneys are the major organs involved in the excretory process.
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c. Cigarettes
b. Alcohol
d. All of the above
b. False