The heart is an amazing organ. It pumps oxygen and nutrient-rich blood throughout your body to sustain life. ❤
, the large artery leaving the heart. Arteries carry oxygen-rich blood away from the heart to all of the body's tissues. They branch several times, becoming smaller and smaller as they carry blood farther from the heart.These are small, thin blood vessels that connect the arteries and the veins. Their thin walls allow oxygen, nutrients, carbon dioxide, and other waste products to pass to and from our organ's cells.
The heart valves work the same way as one-way valves in the plumbing of your home. They prevent blood from flowing in the wrong direction. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve. As the atrium contracts, blood flows from your left atrium into your left ventricle through the open mitral valve.
Here, oxygen travels from the tiny air sacs in the lungs, through the walls of the capillaries, into the blood. At the same time, carbon dioxide, a waste product of Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart.
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