The Heart

What separates the left and right sides of the heart?

• valve

• muscular wall

• artery

• aorta

Which chambers have thinner walls?

• The ventricles

• The pulmonary artery

• The aorta

• The atria

What do heart valves prevent?

• Nutrient absorption

• Increased heart rate

• Backflow of blood

• Blood clot formation

Where is the aortic valve found?

• Between the left atrium and the left ventricle

• Between the left ventricle and the aorta

• Between the right ventricle and the pulmonary artery

• Between the right atrium and the right ventricle

Where are valves located?

• In the brain and spinal cord.

• In the stomach and intestines.

• In the lungs and airways.

• In the heart and blood vessels.

What is the primary function of the heart?

• To produce hormones for digestion.

• To pump blood throughout the body.

• To regulate body temperature.

• To filter toxins from the blood.

How many chambers does the heart have?

• 5

• 3

• 4

• 2

What type of blood do the right atrium receive?

• Nutrient-rich blood

• Carbon dioxide-rich blood

• Oxygenated blood

• Deoxygenated blood

What is the role of the left ventricle?

• The left ventricle regulates blood pressure in the heart.

• The left ventricle pumps blood to the lungs for oxygenation.

• The left ventricle receives deoxygenated blood from the body.

• The left ventricle pumps oxygenated blood to the body.

Which blood vessel carries oxygenated blood away from the heart?

• Pulmonary artery

• Veins

• Capillaries

• Aorta