If you’ve lost blood, either by a severe cut or donating to a blood bank, your body can generate new blood to replace it. How does your body know when it needs more, and how does it know when to stop so you don’t end up with an excess amount?

Question

If you’ve lost blood, either by a severe cut or donating to a blood bank, your body can generate new blood to replace it. How does your body know when it needs more, and how does it know when to stop so you don’t end up with an excess amount?

In: Biology

Answer 1

Just another piece of info…

Also I’ve read a couple papers that say people who regularly donate blood seem to also have better outcomes when they suffer blood loss for other reasons.

That’s one of the reasons I continue two donate despite the fact that I have very difficult veins.