Quiz on Human Circulatory Systems

What is the primary function of the heart?

• To filter blood

• To pump blood throughout the body

• To produce blood cells

• To store oxygen

Which of the following is a type of blood vessel?

• Neuron

• Artery

• Alveoli

• Nephron

What is the cardiac cycle?

• The process of breathing

• The sequence of events in a heartbeat

• The digestion of food

• The filtration of blood in the kidneys

Which part of the blood is primarily responsible for fighting infections?

• Red blood cells

• White blood cells

• Platelets

• Plasma

Which component of blood is responsible for clotting?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What is the function of white blood cells in the cardiovascular system?

• To carry oxygen

• To fight infection

• To transport nutrients

• To regulate temperature

Which part of the cardiovascular system is shown in the diagram?

• Vein

• Artery

• Heart

• Capillary

How does the cardiovascular system contribute to homeostasis?

• By storing energy

• By maintaining fluid balance and temperature

• By producing hormones

• By digesting food

What type of blood vessels are included in the cardiovascular system?

• Arteries, veins, capillaries

• Nerves, tendons, ligaments

• Bronchi, alveoli, trachea

• Muscles, bones, skin

What is the function of veins in the cardiovascular system?

• To carry blood away from the heart

• To carry blood to the heart

• To produce blood cells

• To filter blood