Question

define heart♡♡
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gud molning to all (◍•ᴗ•◍)❤​

Answer 1

Answer:

The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system. ... The left ventricle (the strongest chamber) pumps oxygen-rich blood to the rest of the body.

Explanation:

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Answer 2

$good \: morning \: ♡♡$

The muscle that pumps blood received from veins into arteries throughout the body. ... Two-thirds of the heart lies in the left side of the chest, with the balance in the right side of the chest.