Ch 12: Review Exercises Flashcards
Heart
The pointed, inferior portion of the heart
Apex
The middle layer of the heart
Myocardium
The serous membrane around the heart
Pericardium
The inner layer of the heart
Endocardium
The lower chambers of the heart
Ventricles
The valve that keeps the blood from returning to the right ventricle
Pulmonary semilunar valve
The upper chambers of the heart
Atria
The valve that keeps the blood from returning to the left ventricle
Aortic semilunar valve
The partition that separates the heart in half
Septum
A vessel supplying the heart with oxygenated blood
Lungs
The pacemaker of the heart
Sinoatrial (SA) node
Blood vessels that receive blood from the capillaries
Veins
The group of blood vessels that carry blood to and from the lungs for gas exchange
Arteries
What is the apex (heart)?
The pointed, inferior portion of the heart
What is myocardium?
The middle layer of the heart