Quizizz Group: Cardiovascular System Basics

Which of the following is a major artery that carries blood away from the heart?

• Vena Cava

• Aorta

• Pulmonary Vein

• Capillary

What is the primary function of red blood cells in the human body?

• To fight infections

• To transport oxygen

• To clot blood

• To produce hormones

Explain why the walls of arteries are generally thicker than the walls of veins.

• Arteries carry blood at higher pressure

• Arteries carry deoxygenated blood

• Veins have valves

• Veins carry blood at higher pressure

Describe the role of plasma in the circulatory system.

• Carries oxygen

• Transports nutrients, hormones, and waste products

• Fights infections

• Clots blood

Which blood vessel type is primarily involved in the exchange of nutrients and gases with tissues?

• Arteries

• Veins

• Capillaries

• Aorta

Which of the following is a major vein that returns deoxygenated blood to the heart?

• Aorta

• Pulmonary Vein

• Vena Cava

• Capillary

Analyze why veins have valves and arteries do not.

• Veins carry blood at higher pressure

• Veins carry blood against gravity and at lower pressure

• Arteries carry blood against gravity

• Arteries carry blood at lower pressure

Which vessel brings blood from the brain to the heart?

What is the primary function of the venous system?

• To deliver oxygen-rich blood to the body

• To carry blood away from the heart

• To return deoxygenated blood to the heart

• To regulate body temperature

What is the primary function of capillaries?

• To carry blood away from the heart

• To exchange nutrients and wastes between blood and tissues

• To collect blood from the body and return it to the heart

• To regulate blood pressure