Heart

Heart

Multiple Choice

Unoxygenated blood enters the right atrium from the bottom of the heart.

• inferior vena cava
• superior vena cava
• pulmonary veins

Multiple Choice

What is the name for a circulatory system that has blood leave heart to go to lungs then goes back to heart before delivering the oxygenated blood to the rest of the body?

• DOUBLE LOOP
• TRIPLE LOOP
• SINGLE LOOP

Multiple Choice

Separates the chambers of the heart.

• mitral valve
• septum
• aortic valve