Chambers and Valves
Blood flow
Layers
100

Name the main pacemaker of the heart.

the SA node (Sinoatrial)
100

Name the role of blood flow through the heart and body

What is deliver oxygen to organs and tissues

100
Name the outermost layer of the heart

What is the Pericardium

200

Name the medical terminology for the upper and lower chambers of your heart.

What is atria and ventricles?
200

Name which side of your heart that moves blood through your body

What is the left side?

200

Name the primary function of the myocardium

What is to contract and pump blood through the circulatory system?
300

Name how many valves and chambers the heart has.

What is 2 chambers and 4 valves?
300

Name the place the blood in your heart flow through.

What is through chambers?

300

Name the layer that is the thickest portion of the heart wall and consists primarily of cardiac muscle tissue.

What is the myocardia?

400

Name the reason why the wall of the left ventricle is thicker than the right ventricle.

What is it needs a stronger force to pump to the entire body?

400

Name a cause of a heart attack.

What is a blockage in your coronary artery?

400

Name the way the structure of the endocardium directly benefits blood flow in the heart.

What is it provides a smooth, frictionless surface that prevents clotting?

500

Name the 4 valves

What is tricuspid, pulmonary, mitral and aortic?

500

Name the number of gallons your heart pumps per day.

What is 2,000 gallons?

500
Name the primary purpose of serous fluid found in the pericardial cavity.

What is to reduce friction between the moving heart and the surrounding outer membranes?

M
e
n
u