The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Diagram of the general anatomy of a male cat
A Motor Protein Moves Microtubules in Cilia and Flagella
Because of immature visual-motor coordination, young children find it hard to throw and catch small ...
Diagram of Human Skeleton
Structure of the bacterial flagellar motor from Salmonella enterica