The kidneys contains millions of tiny filtering units called
(1 point)
Responses
urine.
urine.
villi.
villi.
peristalsis.
peristalsis.
nephrons.
1 answer
nephrons.
(1 point)
Responses
urine.
urine.
villi.
villi.
peristalsis.
peristalsis.
nephrons.
1 answer