This organ is located in the mediastinum, slightly left of the midline, behind the sternum.
The Heart
This chamber is located in the upper right portion of the heart.
What is the right atrium
Double Jeopardy!!!!
The main artery that branches into the right and left coronary arteries is this.
What is the aorta?
The two main types of cardiac cells are these.
What are myocardial cells and pacemaker cells?
Double Jeopardy!!!!
The process by which the heart’s electrical cells return to their resting state is called this.
What is Repolarization?
The size of the heart is generally determined by this factor
What is the size of the person (body size)?*
The ventricles are located in this part of the heart.
What is the lower portion (inferior)
Double Jeopardy!!!
The left coronary artery supplies blood primarily to these areas.
What are the left atrium, left ventricle, and part of the interventricular septum
The property of cardiac cells that allows them to generate an electrical impulse automatically is called this.
What is automaticity?
The process of electrical activation of the heart muscle cells is called this.
What is depolarization?
his double-walled sac surrounds and protects the heart.
What is the Pericardium
The thickest layer of the heart wall, responsible for contraction, is called this.
What is the myocardium?
3. The right coronary artery supplies blood mainly to these areas.
What are the right atrium, right ventricle, and part of the conduction system?
Double Jeopardy!!!!
The ability of cardiac cells to respond to an electrical stimulus is known as this property.
What is excitability?
The cardiac action potential describes this.
What is the change in voltage across the cell membrane during the cardiac cycle?
The three layers of the heart wall are called these.
What are the epicardium, myocardium, and endocardium?
The heart contains this number of valves.
What is four
This structure separates the right and left sides of the heart.
What is the septum?
The property that allows cardiac cells to transmit an electrical impulse is called this.
What is conductivity?
This wave on the EKG represents atrial depolarization.
What is the P wave?
These are the four chambers of the heart.
What are the right atrium, right ventricle, left atrium, and left ventricle?
These arteries supply blood to the heart muscle itself.
What are the coronary arteries?*
The property that enables cardiac cells to contract after receiving a stimulus is called this.
What is contractility?
The Normal Pulse Range for a healthy adult is
60 t0 100