The Cardiovascular System [Vocabulary]

What consists of the heart, blood vessels, and blood that links all parts of your body?

• Cardiovascular System

• Skeletal System

• Digestive System

• Nervous System

What is a hollow, muscular organ that pumps blood throughout your body?

• Stomach

• Kidneys

• Gallbladder

• Heart

What are the two upper chambers that receive blood that comes into the heart?

• Atrium

• Ventricle

• Valve

• Artery

What are the two lower chambers that pump blood out of the heart?

• Atrium

• Ventricle

• Valve

• Artery

What is the flap of tissue that prevents blood from flowing backward?

• Epiglottis

• Pancreas

• Pacemaker

• Valve

What is a group of heart cells that send out signals to make the heart muscle contract?

• Aorta

• Nucleus

• Mitochondria

• Pacemaker

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What kind of blood vessels carry blood away from the heart?

• Arteries

• Capillaries

• Veins

What kind of blood vessels carry blood back to the heart?

• Arteries

• Capillaries

• Veins

What are tiny, narrow blood vessels that exchange substances between the blood and body cells?

• Arteries

• Capillaries

• Veins

What is the largest artery in the body?

• Aorta

• Pulmonary Veins

• Septum

• Capillary