Answer:
The correct answer is A
Explanation:
To avoid complications during surgery, patients should have adequate blood volume, if the donates blood in a week and is operated on in 2 months, there should be a prudent time, for hematopoiesis, to compensate for the donated.
The answer is Organs because the body works with your organs to keep you healthy and moving.
If i understood your question right, the cars going straight have to keep going until the red light. but people going either left or right, have to slow down for the other people on the other side of the intersection to cross going either left or right.
It's part of the brain stem,