This organ pumps blood throughout the body
What is the heart?
These blood vessels carry blood away from the heart.
What are arteries
This component of blood helps fight infections.
What are white blood cells?
What is the main function of the circulatory system?
What is to transport blood
How many times does the average heart beat in a day?
What is about 100,000 times?
The heart has how many chambers?
What is 4?
What are the tiny blood vessels where gas exchange occurs?
What are capillaries?
What is the liquid part of blood called?
What is plasma?
The circulatory system helps to transport this essential gas to cells.
What is oxygen?
What is the size of an average adult heart?
What is about the size of a fist?
What is the name of the upper chambers of the heart?
What are the atria?
These blood vessels carry blood back to the heart.
What are veins?
What do red blood cells carry to the body's cells?
What is Oxygen
What does the circulatory system remove from the body?
What is carbon dioxide?
What animal has the largest heart?
What is the blue whale?
What is the name of the lower chambers of the heart?
What are the ventricles?
What is the largest artery in the body?
What is the aorta?
What is the role of platelets in the blood?
What is to help with clotting?
How does the circulatory system help regulate body temperature?
What is by adjusting blood flow?
How many miles of blood vessels are in the human body?
What is about 60,000 miles?
What type of blood does the right side of the heart receive?
What is deoxygenated blood?
What type of blood vessel is the thickest?
What are arteries?
What is the main function of white blood cells?
What is to fight infections?
What is the term for the circulation of blood between the heart and lungs?
What is pulmonary circulation?
What is the name of the heart's electrical system that controls the heartbeat?
What is the conduction system?