Heart structure

The (a)   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 (a)   prevent the backflow of blood from the ventricles into the atria.

The left (a)   wall is thicker than the right wall.

Oxygenated blood is brought from the (a)   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?

(a)  

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