Answer:
D
Explanation:
it doesn't absorb vitamin D
The integumentary system excretes wastes and regulates body temperature. The skin is the body's initial defense against bacteria, viruses and other microbes
I think its A im not sure
Answer:
The inverted kick is used primarily for lifeguards who are towing a victim in a side-lying position. The inverted kick is less likely to strike the victim than the regular kick, thus it is preferred for rescues where a scissors kick is employed.
Explanation:
The reason that you can tell that it was chemical is because you can see the bubbles forming. This means that it is giving off a gas.
The alveoli is where the oxygen moves out of the lungs and into the blood. At the same time carbon dioxide moves out of the blood and into the lungs to be exhaled.