ANATOMY

GENERAL ANATOMY

URINARY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A kidney has about ____ nephrons.
A
1 million
B
1 billion
C
1 thousand
D
1 hundred
Explanation: 

Detailed explanation-1: -Several studies have shown that total nephron (glomerular) number varies widely in normal human kidneys. Whereas the studies agree that average nephron number is approximately 900, 000 to 1 million per kidney, numbers for individual kidneys range from approximately 200, 000 to >2.5 million.

Detailed explanation-2: -Each of your kidneys is made up of about a million filtering units called nephrons. Each nephron includes a filter, called the glomerulus, and a tubule.

Detailed explanation-3: -There are about 1, 000, 000 nephrons in each human kidney.

Detailed explanation-4: -Each kidney contains over a million functional units, called nephrons, in the parenchyma (cortex and medulla).

Detailed explanation-5: -Nephron is functional unit of the kidney, the structure that actually produces urine in the process of removing waste and excess substances from the blood. There are about 1, 000, 000 nephrons in each human kidney, each of which is capable of forming urine.

There is 1 question to complete.