Heart and Circulatory System Quiz

What is the primary function of the heart?

• To produce hormones

• To digest food

• To pump blood throughout the body

• To filter waste from the blood

Which part of the heart receives blood entering the heart?

• Right ventricle

• Left atrium

• Left ventricle

• Right atrium

What separates the right atrium from the right ventricle?

• Mitral valve

• Tricuspid valve

• Aortic valve

• Pulmonic valve

What is the role of the pulmonary artery?

• To carry oxygenated blood to the body

• To carry deoxygenated blood to the lungs

• To carry blood from the lungs to the heart

• To carry blood from the heart to the brain

What is the function of capillaries in the circulatory system?

• To produce red blood cells

• To pump blood

• To connect arteries and veins

• To store blood

What is the sinoatrial node also known as?

• The heart's artery

• The heart's muscle

• The heart's valve

• The heart's pacemaker

What happens during systole?

• The atria fill with blood

• The ventricles contract and pump blood

• The atrioventricular valves open

• The ventricles relax

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

• Tricuspid valve

• Mitral valve

• Pulmonic valve

• Aortic valve

What is the main function of the circulatory system?

• To produce hormones

• To carry oxygen, nutrients, and hormones to cells

• To digest food

• To store energy

What is the role of the superior vena cava?

• To carry blood from the body to the heart

• To carry blood from the lungs to the heart

• To carry blood from the heart to the body

• To carry blood from the heart to the lungs