Heart Anatomy
This chamber of the heart receives oxygen-rich blood from the lungs.
What is the left atrium?
Blood vessels that carry blood away from the heart.
What are arteries?
These cells carry oxygen to the body.
What are red blood cells?
Circulation between the heart and lungs is called this.
What is pulmonary circulation?
This lifestyle habit increases your risk of heart disease.
What is smoking?
The muscular wall separating the left and right sides of the heart.
What is the septum?
The smallest blood vessels where exchange of nutrients and wastes occurs.
What are capillaries?
This protein in red blood cells binds to oxygen.
What is hemoglobin?
Circulation between the heart and the rest of the body is called this.
What is systemic circulation?
The “bad” cholesterol that can clog arteries.
What is LDL cholesterol?
These valves prevent backflow of blood into the atria
What are the atrioventricular (AV) valves?
Blood vessels that return blood to the heart.
What are veins?
These cells help fight infections.
What are white blood cells?
Blood returning from the body enters this heart chamber first.
What is the right atrium?
This condition is caused by narrowing or blockage of the coronary arteries.
What is coronary artery disease (CAD)?
The thickest chamber of the heart, responsible for pumping blood to the body.
What is the left ventricle?
This large artery carries oxygen-rich blood from the heart to the body.
What is the aorta?
Small cell fragments that help in clotting.
What are platelets?
Oxygen-poor blood leaves the heart through this vessel to go to the lungs.
What is the pulmonary artery?
The medical term for high blood pressure.
What is hypertension?
The outer layer of the heart, providing protection and support.
What is the pericardium?
Veins have these structures to prevent blood from flowing backward.
What are valves?
The liquid portion of blood that transports nutrients, hormones, and wastes.
What is plasma?
The path of blood from the left ventricle → body → right atrium.
What is systemic circulation?
Regular cardiovascular exercise strengthens this organ.
What is the heart?