Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
Explanation:
<span> object or a device that gives off an external </span>magnetic<span> field</span>
From a fungus called Verticillium.
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The skeletal system<span> performs vital </span>functions<span>— support, movement, protection, blood cell production, calcium storage and endocrine regulation — that enable us to survive.</span>
Photosynthesis is a process in which a plant uses sunlight to create food, using CO2 and water.
