I'm pretty sure I that it depends on the tide of the water. When it's low tide you can go deeper in the water when it's high tide you can't go that far without touching the ground
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.
This is an example of good communication.
Best tip is to have your own self-confidence don’t care what no one think of you as long as you know you’re beautiful you shouldn’t care what other people think yes it takes time to have self-confidence I work on my self-confidence but loving yourself is way more than caring what other people think about you.