Oxygen from the air enters the blood stream at what location?

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

During binary fission, what events must occur before the cell splits into two new cells?

Just a quick question. will give pointswhat is the root word of "blood."it is written in my homework as hemat(o) : blood.so, should i write that the root word as hemat or hemato or hemat(o). i'm really confused.