Blood is essential to life. We’re all born with it and will die with it. And unlike a hip or a heart or a lung, it can be replenished but never replaced. The volume of blood in our bodies ...

White blood cell Defend the body against disease. Large cells that contain a nucleus. There are 2 types: Lymphocytes – make antibodies. Phagocytes – engulf and digest microorganisms.

All blood vessels are specifically structured to perform their function. For example ... of gases and nutrients from blood into the body cells Wall Thick, muscular Thinner Very thin, one cell ...

They perform critical functions and their dysfunction is implicated in many important human diseases, from anemias to blood ...

This vital function is often disrupted in cancer patients undergoing chemotherapy or ... These include hematopoietic stem cells (HSCs), which differentiate into the many types of cells in human blood; ...