Go to google.................
Answer:
Read below
Explanation:
So basically you will need to
Answer:
I think it might be red an white blood cells
Explanation:
red an white blood cells play a important role in transporting the proteins, minerals an oxygen all over the body through the blood vessels this is connected to the heart.
Answer:
the answer is A (or #1) because it is still testable but only because we haven't discovered everything yet