The left ventricle pumps the oxygen-rich blood to all parts of the body. Do right and left seem backward? That's because you're looking at an illustration of somebody else's heart. To think about ...

Previous studies have shown that microplastic and nanoplastic particles can induce inflammation and other negative effects in the body.

The heart gives the blood a second push. This time, it's sent all around the body to the various organs and tissues. The blood travels back to the heart and it all begins again.

Blood flows through the left atrium into the left ventricle. The left ventricle pumps the oxygen-rich blood to all parts of the body. amazing heart facts.