Heart Quiz - Cognito

What is the main role of the circulatory system?

• Producing hormones

• Digesting food

• Transporting oxygen and nutrients to the body's tissues

• Regulating body temperature

What are the three main components the circulatory system relies on?

• Blood, muscles, bones

• Blood, air, water

• Nerves, skin, lungs

• Blood, blood vessels, heart

How many chambers does the heart consist of?

• Two

• Four

• Five

• Three

What are the top chambers of the heart called?

• Arteries

• Valves

• Ventricles

• Atria

What prevents the blood from flowing backwards in the heart?

• Nerves

• Muscles

• Valves

• Bones

Which vessel carries deoxygenated blood from the heart to the lungs?

• Pulmonary vein

• Vena cava

• Pulmonary artery

• Aorta

What is the function of the pacemaker cells in the heart?

• Producing electrical impulses

• Producing blood cells

• Producing hormones

• Producing oxygen

What is the purpose of an artificial pacemaker?

• To produce hormones

• To carry electrical current to the heart

• To carry oxygen to the heart

• To regulate body temperature

What is the term for any vessel that carries blood away from the heart?

• Vein

• Artery

• Nerve

• Capillary

What supplies the heart with its own supply of oxygenated blood?

• Coronary veins

• Pulmonary arteries

• Coronary arteries

• Aorta