This large blood vessel carries oxygen-rich blood from the heart to the body.
What is the aorta?
This component of blood is responsible for carrying oxygen.
What are red blood cells?
This common condition is known as high blood pressure.
What is hypertension?
This organ detoxifies blood and produces clotting factors.
What is the liver?
This is the average number of times a human heart beats per day.
What is 100,000?
These tiny blood vessels allow for gas and nutrient exchange with tissues.
What are capillaries?
The heart contracts and relaxes in this two-phase cycle.
What is the cardiac cycle?
A blockage in the coronary arteries can lead to this emergency.
What is a heart attack (myocardial infarction)?
The cardiovascular system supplies blood to this largest organ.
What is the skin?
If stretched out, all the blood vessels in the human body could wrap around this planet multiple times.
What is Earth (2.5 times)?
This chamber of the heart pumps oxygen-poor blood to the lungs.
What is the right ventricle?
The force exerted by circulating blood against artery walls.
What is blood pressure?
This disorder is the buildup of plaque in arteries.
What is atherosclerosis?
Blood is filtered by this organ to remove waste.
What is the kidney?
The heart generates enough pressure to squirt blood this far.
What is 30 feet?
Name the two upper chambers of the heart.
What are the atria?
The circulatory system works closely with this system to deliver oxygen.
What is the respiratory system?
The cardiovascular system is often affected by this metabolic disease.
What is diabetes?
The brain relies on this artery for oxygenated blood.
What is the carotid artery?
This is the only organ that can continue working outside the body.
What is the heart?
This valve prevents blood from flowing back into the left ventricle.
What is the aortic valve?
This protein in red blood cells binds oxygen for transport.
What is hemoglobin?
This condition occurs when the heart can't pump enough blood to meet the body’s needs.
What is heart failure?
These paired organs oxygenate blood before it's sent to the heart.
What are the lungs?
The heart pumps this many gallons of blood every day.
What is about 2,000 gallons?