Heart and Circulatory System Quiz

What is the primary function of the heart?

• To produce hormones

• To filter waste from the blood

• To pump blood throughout the body

• To digest food

Which part of the heart receives blood entering the heart?

• Right ventricle

• Right atrium

• Left ventricle

• Left ventricle

What separates the right atrium from the right ventricle?

• Pulmonic valve

• Tricuspid valve

• Aortic valve

• Mitral valve

What is the role of the pulmonary artery?

• To carry blood from the heart to the lungs

• To carry blood from the lungs to the heart

• To carry blood from the heart to the body

• To carry blood from the body to the heart

What is the function of capillaries?

• To produce blood cells

• To pump blood

• To connect arteries and veins

• To store blood

What is the sinoatrial node also known as?

• The heart's pacemaker

• The heart's valve

• The heart's muscle

• The heart's filter

What happens during systole?

• The ventricles contract

• The ventricles relax

• The atrioventricular valves open

• The atria contract

Which valve is located between the left ventricle and the aorta?

• Mitral valve

• Pulmonic valve

• Aortic valve

• Tricuspid valve

What is the main function of the circulatory system?

• To produce hormones

• To digest food

• To store energy

• To carry oxygen and nutrients to cells

What is the role of the superior vena cava?

• To carry blood from the heart to the body

• To carry blood from the upper body to the heart

• To carry blood from the lungs to the heart

• To carry blood from the heart to the lungs