1) What is the main function of the circulatory system? a) breathe in oxygen b) transport oxygen, water, and nutrients to all parts of the body c) digest and absorb food d) carry blood 2) What are the 3 main parts of the circulatory system? a) blood, arteries, blood vessels b) heart, blood vessels, oxygen c) heart, blood vessels, and blood d) blood, lungs, heart 3) This part of the circulatory system is responsible for carrying blood away from the heart. a) capillary b) vein c) heart d) artery 4) This part of the circulatory system is responsible for carrying blood to the heart. a) capillary b) vein c) heart d) artery 5) This part of the circulatory system is the pump that pushes blood. a) blood b) blood vessel c) heart d) lungs 6) Blood travels to the lungs to pick up _________. a) carbon dioxide b) oxygen c) nutrients d) water 7) Which organ does the blood picks up nutrients from? a) brain b) lungs c) small intestines d) large intestines 8) This part of the circulatory system is responsible for passing oxygen from the blood to cells. a) capillary b) vein c) heart d) artery

Circulatory System

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