- (Interventricular)Septum: The structure that divides the 2 ventricles of the heart
- 5th and 6th: The apex of the heart usually sits at the same approximate level as the space between these 2 ribs
- Aorta: the largest artery of the human body
- Atria: The chambers of the heart whose function is to receive blood from the veins
- Auricles: The "ear-like" structures that extend from the atria
- AV (Atrioventricular): The valves that are located between the atria and the ventricles
- Base: The part of the heart that rests just below the right second rib
- Brachiocephalic: The branch of the aorta that divides into the right subclavian and right common carotid arteries
- Cardiac Muscle: The type of tissue that compromises the bulk of the myocardium
- Cardiovascular: The heart is an organ of this body system
- Carry blood away from the heart: The function of an artery
- Cervical Fascia: The pericardium attaches to this structure inferiorly
- Cordae Tendinea: The scientific term for the "heart strings" that extend from the AV cusps to the papillary muscles
- Endocardium: The lining of the heart
- Endocardium: The tunica interna is continuous with this layer of the heart
- Left: The bulk of the heart rests on this side of the body
- Left: The side of the heart that has a thicker ventricular wall
- Left: The apex of the heart points to this side of the body
- Lumen: The name of the space in a blood vessel wherein blood flows
- Mediastinum: The specific space in the thoracic cavity where the heart is located
- Medulla Oblongata: The primary brain stem structure that controls heart rate
- Myocardium: The muscular layer of the heart
- Pericardium: The sac surrounding the heart
- Right Atrium: The superior vena cava attaches to this heart chamber
- Sternum: The bone that protects the heart anteriorly
- To carry blood to the heart: The function of a vein
- To pump blood to the organs and the body: The function of the heart
- Tunica Externa, Tunica Media, and Tunica Interna: The three layers of an atery from outermost to innermost
- Tunica Media: The layer of the artery that consists mostly of smooth muscle
- Ventricles: The bottom 2 chambers of the heart