Human Body

2. — Organ capable of regenerating itself after damage
5. — Structure that actually shrinks slightly during the day from gravity
6. — Organs whose surface area is roughly the size of a tennis court
9. — Liquid that helps you taste food (without it, flavors are harder to detect)
10. — Muscle that can keep beating outside the body briefly under the right conditions
11. — Organ that uses about 20% of the body’s total energy

1. — Bone that doesn’t fully develop until childhood
3. — Hair that helps keep dust out of your eyes
4. — Organ that renews itself roughly every month
7. — The smallest bone in the human body, located in the ear
8. — Muscle that never gets tired the way most others do
9. — Organ that produces acid strong enough to dissolve metal (but protects itself)
11. — Body structures that you are born with about 270 of, but adults have only 206