HEART ANATOMY
What is the hollow muscular organ that lies in the mediastinum?
What is the heart?
What is the innermost layer of the heart wall?
What is the endocardium?
What is the anterior surface of the heart primarily composed of?
What is the right ventricle?
What are the upper chambers of the heart called?
What are the right and left atria?
What is the function of heart valves?
What is to ensure blood flows in one direction and prevent backflow?
Approximately what fraction of the heart lies to the left of the midline of the sternum?
What is two-thirds?
DOUBLE JEOPARDY!!
What layer of the heart is responsible for its pumping action?
What is the myocardium?
What is the inferior surface of the heart also known as?
What is the diaphragmatic surface?
What are the lower chambers of the heart called?
What are the right and left ventricles?
What valve lies between the right atrium and right ventricle?
What is the tricuspid valve?
DOUBLE JEOPARDY!!!
The size of an adult heart is roughly equivalent to what?
What is the size of the owner’s fist?
What are the two types of pericardium?
What are the parietal pericardium and serous pericardium?
What forms the base of the heart?
What is the left atrium and a small portion of the right atrium?
What is the primary function of the atria?
What is to receive blood returning to the heart?
Which valve is known as the mitral valve?
What is the bicuspid valve?
Name one factor that influences heart size and weight.
What is age, body weight and build, physical exercise frequency, or heart disease?
What is the function of the pericardial space?
What is to contain serous fluid that reduces friction?
What is the lower portion of the heart called?
What is the apex?
What is the primary function of the ventricles?
What is to pump blood out of the heart?
Name one of the semilunar valves.
What is the pulmonic valve or the aortic valve?
What is the outermost layer of the heart wall called?
What is the epicardium?
What are the key components of cardiac muscle fibers?
What are myofibrils, myosin, actin, intercalated disks, and gap junctions?
DOUBLE JEOPADY!!!
How many chambers does the heart have?
What is four?
What structure separates the atria from the ventricles?
What is the heart skeleton or septa?
What is the primary function of the coronary circulation?
What is to supply blood to the heart muscle itself?