Heart

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

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

• inferior vena cava
• superior vena cava
• aorta

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

• inferior vena cava
• superior vena cava
• pulmonary veins

Valve that blood is forced through from right ventricle into pulmonary arteries.

• pulmonary valve
• aortic valve
• mitral valve

Name of the valve that separates left atrium from left ventricle.

• mitral valve
• tricuspid
• pulmonary valve

Major artery at the top of the heart sends oxygenated blood from the left ventricle to the rest of the body.

• aorta
• pulmonary artery
• inferior vena cava

Most common cause of sudden death in athletes.

• Hypertrophic cardiomyopathy
• loss of electrolytes
• broken nose

What portion of the heart is supposed to be  the most muscular?

• upper
• lower
• septum

About how large is the human heart?

• the size of an onion
• the size of a fist
• 4.5 pounds

If you're looking for your heart, you can find it beneath and to the left of what "bone?"

• rib
• sternum
• clavicle