Each person has a different metabilism and diet
Answer:a
Explanation: because blood is pumped out of the heart and into the body to supply oxygen to working muscles or to the lungs for re-oxygenation
Answer:
prejudice
Explanation:
I'm pretty sure this is the answer but I could be wrong
preconceived opinion that is not based on reason or actual experience.
i believe it is true because i looking at the book
