Share Abby - Science Exam 1 - G3
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An organ is a body part that has a function.
True
2. An organ system is made of only one organ.
False
3. The skeletal system gives shape to our body.
True
4. The skull protects our lungs.
False
5. The rib cage protects the heart and lungs.
True
6. The adult human skeleton has 206 bones.
True
7. A joint is a place where two bones meet.
True
8. The muscular system helps us move.
True
9. Muscles and bones never work together.
False
10. Exercise helps make our muscles stronger.
True
11. The digestive system breaks down food.
True
12. Digestion means changing food into simple substances.
True
13. The lungs are part of the digestive system.
False
14. The gullet carries food toward the stomach.
True
15. The small intestine absorbs useful substances from food.
True
16. The nose, windpipe and lungs are parts of the respiratory system.
True
