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Structure
Function
Blood Composition
Blood Flow Pathway
Conductivity
100
Muscular middle layer of the heart.
What is mycocardium?
100
Receives blood from superior and inferior vena cava and the coronary sinus.
What is Right atrium?
100
4-6 quarts
What amount of blood in the average adult?
100
The blood in the left side of the heart is ______________ (high or low) in oxygen.
What is HIGH? Why?
100
Nerve fibers in the septum?
What is BUNDLE OF HIS?
200
Double layer membrane or sac that surrounds the heart
What is the pericardium?
200
Open and close to prevent backflow of blood.
What are valves?
200
90% water
What is plasma?
200
Which blood vessel leads to the lungs?
What is pulmonary artery?
200
Sends out electrical impulses to both atriums.
What is SINOATRIAL NODE?
300
Lower discharging chambers
What are the ventricles?
300
Brief period of rest in the heart.
What is diastole?
300
Gases found in the blood.
What are oxygen and carbon dioxide?
300
While the atria are filling, the ____________ contracting.
What are the ventricles?
300
Location of the pacemaker of the heart.
What is the right atrium houses the SINOATRIAL NODE?
400
What is valve between the right ventricle and the pulmonary artery?
What is pulmonary valve?
400
Also known as the bicuspid valve, found between the Left atrium and the left ventricle.
What is mitral valve?
400
-True or False- Blood carries hormones.
True
400
What valve prevents blood from coming back into the left ventricle?
What is the aortic valve?
400
ECG
What is electrocardiogram?
500
Known as the "heart strings".
What is chordae tendinae?
500
Lower part of the septum.
What is the interventricular septum?
500
Medical term for all three types of blood cells.
What erythrocytes, leukocytes, & thrombocytes? (RED) (WHITE) (PLATELETS)
500
Name the blood vessels from largest to smallest.
What is arteries, veins & capillaries?
500
Final fiber on the conduction pathway.
What is Purkinje fibers?