The kidneys contains millions of tiny filtering units called
(1 point)
Responses
urine.
urine.
villi.
villi.
peristalsis.
peristalsis.
nephrons.
nephrons.
To determine the correct answer, let's break down the options:
1. Urine: This is not the appropriate answer because urine is the waste product that is filtered out by the kidneys, it is not the filtering unit itself.
2. Villi: Villi are tiny finger-like projections found in the small intestine that help in nutrient absorption. They are not part of the kidneys' filtering units.
3. Peristalsis: Peristalsis refers to the wave-like muscle contractions that help propel food through the digestive system. It is not associated with the kidneys.
4. Nephrons: Nephrons are the correct answer. The kidney contains millions of tiny filtering units called nephrons. These nephrons are responsible for filtering waste materials from the blood and producing urine.
Therefore, the correct answer is nephrons.