Question

what is heart?Mmmmmmm​

Answer 1

Answer:

heart is the muscular organ made up of cardiac muscles whose main function is to circulate the blood throughout the body

Explanation:

Answer 2

Answer:

$\huge\color{pink}\boxed{\colorbox{Black}{❥Brainlist Answer}}$

Explanation:

The heart is a fist-sized organ that pumps blood throughout your body. It's the primary organ of your circulatory system. Your heart contains four main sections (chambers) made of muscle and powered by electrical impulses. Your brain and nervous system direct your heart's function