1. The main function of the circulatory system is
To give the body structure and support
transport blood, nutrients, and gases throughout the body
Excrete waste
to transport messages from the body to the brain
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The circulatory system functions in the delivery of oxygen, nutrient molecules, and hormones and the removal of carbon dioxide, ammonia and other metabolic wastes. Capillaries are the points of exchange between the blood and surrounding tissues.
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