Oxygen, nourishment (vitamins, lipids, fats, etc.)
Second option/ the gametes produced by meiosis allow for closing organisms
The praying of one animal on others.
Answer:
Blood cells are produced in the bone marrow of the body more specifically they become blood cells from first being stem cells which then divide until they reach a mature red blood cell stage. ( or other types of cells, stem cells are like the blank template for either red blood cells, white blood cells, or platelettes.)
Explanation:
