Biology, 17.11.2019 21:28, nila93
True or false 1. circulation is the transport of materials in living things. 2. life stops when circulation stops. 3. blood is pumped by the brain. 4. blood circulates through the body only a few times a day. 5. arteries carry blood away from the heart. 6. arteries transport carbon dioxide to the cells. 7. veins carry blood away from the heart. 8. veins pick up waste materials from the cells. 9. capillaries connect arteries and veins. 10. capillaries are the largest blood vessels.
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