Which one of the spots shows oxygenated blood?

Which organ of the circulatory system is the place where arteries and veins meet?

• capillaries

• veins

• arteries

• heart

Which blood vessel carries wastes, like carbon dioxide?

• capillaries

• veins

• arteries

• heart

Which blood vessel is the "doorway" to the blood stream?

• capillaries

• veins

• arteries

• heart

Which type of muscle is found in blood vessels?

• skeletal

• smooth

• cardiac

What is the circulation between your heart and lungs called?

• Respiration

• Systemic circulation

• Pulmonary circulation

• Blood pressure

What are tiny blood vessels that allow an exchange between blood and cells in other tissue?

• Arteries

• Veins

• Capillaries

• Carrots

Which of these are part of the cardiovascular system?

• Brain

• Heart

• Arteries

• Capillaries

• Veins

Blood circulating from the cells to blood vessels close to the surface of the skin helps regulate body temperature.

• True

• False

What is the force exerted by blood on the inside walls of arteries?

• Gravity

• Heart rate

• Exercise

• Blood pressure