Cardiovascular System: Heart Anatomy Quiz

Enables heart contractions

Regulates contractions and aids embryological development (correct)

Is the thickest layer of the heart's walls

Forms the outer layer of the serous pericardium

Single-nucleated cardiac muscle layer

Outer fibrous layer made of thick, tough, dense irregular connective tissue (correct)

Inner double serous membrane layer with two layers made of mesothelial cells

Middle muscular layer of the heart's walls

Thick, tough, dense irregular connective tissue sac

Inner visceral layer made of mesothelial cells (correct)

Single-nucleated cardiac muscle layer

Middle muscular layer of the heart's walls

<p>Middle muscular layer enabling heart contractions</p> Signup and view all the answers

<p>(Single-nucleated, cardiac muscle)</p> Signup and view all the answers