I believe the answer to this question is C.
Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
The correct answer is A. Involve others in doing your low-Priority tasks.
I took this test and A was correct.
D because trachea is the tube, bronchi is what splits into your lungs, bronchioles are what look like branches of the bronchi, and alveoli are the little air bags at the bottom of the smallest bronchioles.
Answer:
The heart is made of three layers of tissue. Endocardium, the thin inner lining of the heart chambers that also forms the surface of the valves. Myocardium, the thick middle layer of muscle that allows your heart chambers to contract and relax to pump blood to your body.
Explanation:
