Each human kidney contains about a million ________,which are the tubular functional units of the kidney.
A)ureters
B)nephrons
C)renal medullae
D)nephridia
E)flame cells

Question

Quizplus · Accepted Answer

Nephrons are the functional units of the kidney, responsible for filtering waste from the blood and producing urine. Each kidney contains about a million nephrons. Ureters are tubes that transport urine from the kidneys to the bladder. Renal medullae are inner regions of the kidney, and nephridia are excretory organs found in some invertebrates. Flame cells are specialized cells found in the excretory systems of flatworms.

Each Human Kidney Contains About a Million ________,Which Are the Tubular