ANATOMY

GENERAL ANATOMY

URINARY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Each kidney contains how many nephrons?
A
1 million
B
10 million
C
1 billion
D
10 billion
Explanation: 

Detailed explanation-1: -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 kidney contains about one million tiny units called nephrons. Each nephron is made up of a very small filter, called a glomerulus, which is attached to a tubule. As blood passes through the nephron, fluid and waste products are filtered out.

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

Detailed explanation-4: -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.

Detailed explanation-5: -Every kidney has about one million nephrons. In the nephron, a glomerulus-which is a tiny blood vessel, or capillary-intertwines with a tiny urine-collecting tube called a tubule.

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