"I won't give you a lecture, I will just try to give you the correct answers. If you study biology and anatomy you can probably find them yourself. 1. B - the joint in the knee is a hinge joint. 2. C - tendons connect muscles to bones 3. C - both A and B are correct; the small intestine does both 4. B - the liver produces bile and the gall bladder stores it. 5. D - most chemical reactions in the body require water 6. A - catalysts would be the best answer here 7. A - veins carry blood to the heart and arteries carry it away from the heart 8. A - the right heart takes venous blood (which contains less oxygen) and pumps it to the lungs where it is oxygenated. Then the left heart pumps the oxygenated blood to the rest of the body. Hope these answers help!"
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