The Heart

Question 1

• Hollow muscular organ located in the thoracic cavity
• around the size of your fist

Answer 1

Heart

Question 2

Membranous sac that encloses the heart

Answer 2

Pericardium

Question 3

External layer of the heart

Answer 3

Epicardium

Question 4

Middle and thickest layer of he heart

Answer 4

Myocardium

Question 5

Inner lining of the heart

Answer 5

endocardium

Question 6

What supply’s oxygen rich blood to the myocardium?

Answer 6

Coronary arteries

Question 7

Two upper chambers of the heart, the receiving chambers, all blood enters these chambers

Answer 7

Atria

Question 8

Tow lower chambers of the heart, thicker walls, pump blood throughout the body

Answer 8

Ventricles

Question 9

Between the right atria and right ventricle

Answer 9

Tricuspid valve

Question 10

Between the right ventricle and the pulmonary artery

Answer 10

Pulmonary valve

Question 11

Between the left atria and the left ventricle also called the________

Answer 11

Mitral Valve AKA bicuspid valve

Question 12

Between the left ventricle and the aorta

Answer 12

Aortic Valve

Question 13

these electrical impulses can be visualized as wave movements on a monitor or as an _______________

Answer 13

Electrocardiogram (EKG or ECG)

Question 14

Refers to the normal beating of the heart

Answer 14

Sinus rhythm