Oxygen enters the lungs, then passes through the alveoli and into the blood.
Please note I can only make out some of this, so here's the answers I can see-
Answer #5:
Left atrium, right atrium, left ventricle, right ventricle.
Answer #10:
1.2-1.5 gallons.
Answer #8:
White blood cells fight and kill off diseases.
I'll add more as I get it
EDIT!
Answer #4:
They assist in clotting your blood
Answer #14:
O, B, A, AB.
Answer:
You make a letter or be supportive about it and try to talk to them about it and tell them you care
Explanation:
I would obviously call the doctors child immediately right away if the fluids don’t stay down.