1. c
2. False (pulmonary artery carries blood from RV and pumps to the lungs)
3. False
4. True (have trouble breathing while laying down)
5. D
6. True
7. True
8. False
9. B.
10. True
Biomechanics is the term. Its studies the structure and function of biological systems.
Although action and reaction<span> forces are always equal and opposite to </span>each other<span>, they are acting on two </span>different<span> objects. Saying that the forces </span>balance each other<span>implies that they are adding up to equal zero. Forces are only added when they are acting on the same object, </span>not<span> on </span>different<span> objects</span>
