RE: LeoThread 2025-07-16 16:45
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Animal Form and Function: Blood Circulation
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Animal Form and Function: Blood Circulation
In this video I go over the circulatory system of animals, which typically involves blood being pumped by the heart to and from the rest of the body. Blood allows for the transport of oxygen, carbon dioxide, nutrients, hormones, agents of immune system, heat, wastes, and more.