Your heart has two ways to get more blood to your muscles: by beating faster or by sending more blood with each beat (called stroke volume). true or false

The heart has four chambers and four main vessels that pump blood into and out of the heart. 

A wall, called the septum, divides the heart into the "right heart" and the "left heart." Each side is divided into an upper chamber, the atrium, and a lower chamber, the ventricle. The sides work together like a double pump. 

With each heartbeat, the pump on the right side receives blood from the body and pumps it into the lungs to pick up oxygen. The pump on the left side receives this oxygen-rich blood from the lungs and pumps it throughout the body. The heart muscle then relaxes so the chambers can fill up with blood again and continue this process. 

A system of valves ensures that blood flows in the right direction, in and out of the heart’s chambers.

Therefore the answer is True!

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