They don't reproduce, as far as I know. They are produced in bone marrow.
The brain is incorrect. Its the nucleus (the brain is an organ not a organelle)
hope that helps :)
In addition to gravity, muscular peristaltic waves, originating in the renal pelvis, squeeze urine down the ureters and squirt it into the bladder, the peristaltic movements consist of radially symmetrical contractions and in the relaxation of the muscles that propagate in a wave downwards in the muscular tube, in an antegrade manner, such movements are also found in the esophagus and stomach.
It is c animals alway have thier ancestor
<span>Forest is the ecosystem that would be damaged the most by a fire. </span>
