Cardiovascular System

What is the main function of the heart?

• To filter waste from the blood

• To regulate body temperature

• To carry oxygen to the body

• To move blood around the body

What is the fluid part of the blood called?

• White blood cells

• Platelets

• Red blood cells

• Plasma

Which type of blood vessels carry oxygen-rich blood away from the heart?

• Capillaries

• Arteries

• Lymphatic vessels

• Veins

What is the circulation of blood between the heart and the rest of the body called?

• Respiratory circulation

• Cardiovascular circulation

• Systemic circulation

• Pulmonary circulation

What is a major cause of heart disease characterized by the heart stopping and causing you to die?

• Hypertension

• Atherosclerosis

• Heart attack

• Stroke

What is the abnormal high blood pressure called?

• Hypoglycemia

• Hyperglycemia

• Hypertension

• Hypotension

What can happen when a blood vessel in the brain becomes blocked or bursts?

• Heart attack

• Atherosclerosis

• Hypertension

• Stroke

How does the circulation of blood help maintain body temperature?

• By decreasing lung capacity

• By increasing heart rate

• By narrowing blood vessels in the skin

• By widening blood vessels in the skin