b
Explanation:
I'm apologize if I'm wrong
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.
Service/Frontage Roads.
Traffic Roundabouts.
High-Speed Traffic.
Poor Line-of-Sight.
blinking lights
The Ozone layer is actually located in the stratosphere in a region that is 10 to 50 km above the Earth<span>.</span>
