Heart structure

The _______ side of the heart is where the deoxygenated blood flows from the body into the heart.

The top two chambers of the heart are called the __________.

• Atria (atrium)

• Ventricles

• Valves

• Aorta

The _________ prevent the backflow of blood from the ventricles into the atria.

The left ____________ wall is thicker than the right wall.

Oxygenated blood is brought from the __________ back to the heart.

The heart is an organ. True or False?

• True

• False

When the right and left atrium contract, where is the blood pushed to?

• The left and right ventricles

• Out the aorta

• Out the pulmonary arteries

• Blood enters the pulmonary vein

Which side is the right side of the heart? A or B?

What is the scientific name for the heart muscle tissue?

• Cardiac muscle

• Striated muscle

• Smooth muscle

• Epithelial muscle tissue

What is the name of the large artery the arrow is pointing to?

• vena cava

• pulmonary artery

• pulmonary vein

• aorta