15.1 Lily and Peyton

Which layer provides protection in the heart?

What is the superficial layer of the heart?

What is the internediate layer of the heart?

What is the deep layer of the heart?

What determines wall thickness?

List the parts of the heart from thinnest to thickest.

Where does the right ventricle pump?

Where does the left ventricle pump?

when blood pumps to the body it is known as ____________.

These return blood to the heart