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  • one year ago

could somebody please describe the structures and functions of the circulatory system

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  1. Somy
    • one year ago
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    what do you already know about this topic?

    • one year ago
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    Respiration - delivers oxygen to the cells and removing carbon dioxide from them Nutrition - carries digested food substances to the cells of the body Waste Removal - disposes of waste products and poisons that would harm the body if they accumulated Immunity - helps protect the body from disease Cellular Communication - the circulatory system provides a mode of transport for hormones Thermoregulation - the circulatory system transports heat (can both warm and cool body) Heart - which is a muscular pump that contracts to propel blood out to the body through arteries, and a series of blood vessels. The upper chamber of the heart, the atrium, is where the blood enters the heart. Passing through a valve, blood enters the lower chamber, the ventricle. Contraction of the ventricle forces blood from the heart through an artery.

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