Question

what is ventricles? what is intrical

Answer 1

Ventricles contain valves that pump blood in and out of the heart. The right ventricle pumps the impure blood into the lungs so that it can be purified, and the left ventricle receives oxygenated blood pumped from the left atria. Ventricle walls are thicker than atria walls

Answer 2

Explanation:

any space in the body that does not contain anything, especially one of the four main empty spaces in the brain