6. This system fights pathogens (germs) and produces and stores white blood cells. a. immune b. muscular c. endocrine d. integumentary
immune
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5
4. This system transports oxygen and nutrients around the body. a. circulatory b. respiratory c. skeletal d. digestive
circulatory
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5
9. Which system sends electrical messages that helps control the body's responses to internal and external changes? a. nervous b. endocrine c. reproductive d. integumentary
nervous
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5
5. This system breaks down food into nutrients that the body can absorb. a. digestive b. excretory c. reproductive d. immune
digestive
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5
2. Which system controls voluntary and involuntary movement? a. muscular b. skeletal c. immune d. excretory
muscular
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3. Which system absorbs oxygen and releases carbon dioxide? a. respiratory b. excretory c. endocrine d. immune
respiratory
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thief
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thief
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12. Which two body systems work together to break down food into energy and rid the body of the waste produced during this process? a. Skeletal and endocrine b. Digestive and excretory c. Nervous and immune d. Muscular and skeletal
Digestive and excretory
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1. Which system acts as a barrier from the sun and helps regulate body temperature? a. integumentary b. muscular c. digestive d. circulatory
integumentary
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7. This system supports the body and protects vital organs. a. skeletal b. muscular c. circulatory d. nervous
skeletal
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8. This system sends chemical messagengers (hormones) that regulate growth, development, and metabolism. a. endocrine b. nervous c. immune d. skeletal
endocrine
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10. The nervous system helps the respiratory system by__ a. carrying oxygen to lungs b. sending the message to diaphragm to contract c. protecting and supporting the heart d. breaking down nutrients needed by lung tissue
sending the message to diaphragm to contract
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banana
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11. What two systems work together to supply the body with oxygen? a. respiratory and muscular b. respiratory and circulatory c. circulatory and digestive d. muscular and digestive