Basics
This muscular organ pumps oxygenated blood throughout the body and is roughly the size of a fist.
What is the heart
The heart is divided into this many chambers.
What is four?
These blood vessels carry blood away from the heart.
What are arteries?
This is the first step to the Cardiac cycle
What is the heart relaxing?
The largest artery in the body carries oxygen-rich blood away from the heart to the rest of the body.
What is the aorta?
This circuit moves blood from the heart to the rest of the body?
What is the systemic circuit?
These vessels have valves to prevent backflow and help return blood to the heart.
What are veins?
The Mitral valve and Aortic valve
What are the two valves on the left side of the heart?
This side pumps blood to the whole body.
What does the left side of the heart do?
This blood type is known as the universal donor.
What is O?
These blood vessels carry deoxygenated blood back to the heart.
What are veins?
This valve opens into the left ventricle.
What is the mitral valve?
If an artery supplying blood to the heart becomes blocked, it can lead to this medical emergency.
What is a heart attack?
These are the smallest blood vessels, where gas and nutrient exchange occurs.
What are capillaries?
The coronary circuit, the pulmonary circuit, and the systemic circuit.
What are the 3 types of circuits in the heart?
A person with blood type A can receive blood from these two types.
What are A and O?