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High School Biology: The Circulatory, Respiratory, Digestive, and Excretory Systems
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High School Biology: The Circulatory, Respiratory, Digestive, and Excretory Systems
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10 Questions

1. Organs of the gastrointestinal tract include
2. What happens when the diaphragm contracts?
3. Organs of excretion include
4. Blood from the body enters the heart’s
5. Organs of the gastrointestinal tract include
6. Pulmonary circulation carries blood between the
7. Obesity occurs when the body mass index is at least
8. Electrical impulses that stimulate heart contractions come from
9. What happens when the diaphragm contracts?
10. Obesity occurs when the body mass index is at least

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