Question

type the correct answer in the box. spell all words correctly. what is the term used for relaxation of heart muscles that causes blood to fill in the heart chambers? is the relaxation of heart muscles that fills the heart chambers with blood

Explanation:

The term for the relaxation of heart muscles that allows blood to fill the heart chambers is diastole. During diastole, the heart's chambers expand, creating space for blood to enter. This is a key part of the cardiac cycle, contrasting with systole (contraction).

Answer:

Diastole