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Which organ system does not excrete waste?

A.

The cardiovascular system

B.

The respiratory system

C.

The digestive system

D.

The integumentary system

E.

The urinary system

Answer and Explanation

The Correct Answer is A

A. The cardiovascular system is primarily involved in transporting blood and nutrients but does not directly excrete waste. 

 

B. The respiratory system: The respiratory system helps excrete carbon dioxide, a waste product of metabolism.

 

C. The digestive system excretes waste through the process of defecation.

 

D. The integumentary system (skin) excretes waste through sweat.

 

E. The urinary system is directly involved in the excretion of waste products through urine. 
 


View Related questions

Correct Answer is D

Explanation

A. Wolffian refers to structures related to the male reproductive system during embryonic development, not to uterine contractions.

B. Masters Johnson: Masters and Johnson are known for their research in human sexual response, not for describing types of uterine contractions.

C. Graafian: Graafian refers to a mature ovarian follicle, which is unrelated to uterine contractions.

D. Braxton Hicks: Braxton Hicks contractions are irregular, non-labor contractions of the uterus often referred to as "false labor."

Correct Answer is A

Explanation

A. Renal corpuscle: Blood plasma is filtered in the renal corpuscle, which includes the glomerulus and Bowman's capsule.

B. Renal capsule: The renal capsule is the outer protective layer of the kidney and does not filter blood plasma.

C. Renal tubule: The renal tubule is involved in reabsorption and secretion, not in the initial filtration of blood plasma.

D. Renal column: The renal column is a structural part of the kidney, not involved in filtering blood plasma.