Answer:
Both A and B, because if you have bad posture you will have weaker bones which can make you get hurt easier plus weaker bones will not be safe especially if you got in a car wreck.
Because they have antigens for both blood type A and B. And since blood type O has no antigen, that can also be received.
There will be no reaction against any other blood (importance of having both antigens)
Don’t drink a lot of water at once, and this will reduce the number of cramps that you get.
<span>B. Cilia and white blood cells</span>
