What are blood cells?
Secondary | Health | Views: 209
- What is the function of bone marrow?
- How do all blood cells begin?
- Red blood cells carry what?
- Anaemia is the lack of red blood cells, what are the symptoms?
- White blood cells are part of the immune system. What dop they do?
- What do platelets help the body to do?
- What are the symptoms of low platelets?