The urethra. According to google, “The urethra is the tube‑like structure that carries urine (pee) out of the body.”
HIV receptors are not found on the other cell types.
<u><em>Digestive</em></u> is a system prepares food for absorption into the bloodstream.So the answer for your question is Digestive.
Hope this helps:)
Rocking horse (the others use smaller muscles of the hands), larger muscles like the leg are used to rock.
I would say cardio because you'll be working your cardiovascular system even more while also improving your explosive power