Which set of cell organelle are involved in cell division

k Nishant

Explanation:

i think centersome, nucleus

The placenta provides oxygen to the baby and excretes carbon dioxide into your bloodstream.
 
meaning that the baby does not simply absorb oxygen from a women's bloodstream. blood and gas transports occur through the placenta, also the placenta delivers oxygen-rich blood through the umbilical vein not artery 

hope this helps