2. 7 th Grade Science Human Body

3. A:B: skeletalcardiovascular C:D: muscularlymphatic #1 This system consists of stretchy elastic cells that make up tissues that move your bones.

4. C. muscular

5. A:B: endocrine systemlymphatic system C:D: nervous systemrespiratory system #2 In this diagram, one cell releases chemicals that travel to a second cell and sends messages to other parts of the body. This diagram is part of the____________.

6. C. nervous system

7. A:B: lymphaticurinary C:D: cardiovasculardigestive #3 This system breaks down food into nutrients that can be absorbed into the bloodstream.

8. D. digestive

9. A:B: cardiovascularcirculatory C:D: respiratorylymphatic #4 The function of this system is to carry oxygen to cells, carry sugar and other nutrients to cells, and remove waste from cells. *Similar to the vascular system of a plant.

10. B. Circulatory

11. A:B: reproductiveintegumentary # 5 This system is different in males and females and assures the survival of each species. C:D: respiratoryendocrine

12. A. reproductive

13. A:B: ProtectionSupport C:D: MovementAll of these #6 Which of these are a function of the skeletal system?

14. D. All of these

15. A:B: LymphaticNervous C:D: EndocrineExcretory #7 To dispose of waste and control body fluid composition is the function of what system?

16. D. Excretory

17. A:B: skeletalmuscular C:D: nervousAll of these #8 Which of the human- body systems below is\are needed for the player in this picture to pitch a baseball?

18. D. All of these

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