How does blood maintain a stable internal environment?

If someone had a blood transfusion, can they give blood? Because when I was born, I had a blood transfusion, so can I give bl...

Can you pass a blood test for thc and how

This may sound stupid but here we go. can you give blood while taking iron pills?

I've just come on my period and strangely my blood is like brown :s help!

I am having lots of blood clots and I bleeding a lot but it only happens in the moring after 12 I dont bleed no more intill t...

How soon on a blood test will it show up on beng pregant

how much blood are you sapouse to have when your just spotting when your preg

What does it mean if your period blood is kinda brown?

How can I improve my blood circulation in home conditions? Cause I don't want to buy medicine or something like that.

I get these bumps are my pubic area filled with puss and blood. What are they?