The difference between geography and housing is
Answer:
they probably don't have anything better to do.
Bone Marrow contributes to the production of red blood cells (RBC's)
Answer:
Yes. If there was no protection being used. However sperm can spell access the uterus even when not on period. Since she masterbaths there is no sperm entering her. So she will not be impregnated. Hope this helps!
Explanation:
cells have many structures inside of them called organelles. these organelles are like the organs in a human and they help the cell stay alive. each organelle has it's own specific function to help the cell survive. the nucleus of a eukaryotic cell directs the cell's activities and stores DNA.