Browsing: blood
Have you ever stopped to think about how many hearts a giraffe has? Most animals, from humans to giraffes, have one heart, but not all…
Do you often find yourself wondering how your body regulates its temperature? Does heat constrict our blood vessels? With the ever-changing weather, it can be…
What is Rh Negative blood? Rh negative blood is a rare blood type found in only about 15% of the global population. It is usually…