Vocab
Anatomy of Heart
Other Parts of the Heart
Heartbeat
Conducting System
100
These are known as efferent and afferent vessels
What are arteries and veins
100
How many chambers are in the heart? Name them.
What is 4 chambers; right atrium and ventricle and left atrium and ventricle
100
Delivers blood from the head, neck, upper limbs, and chest
What is superior vena cava
100
The three wave types are
What is the P wave, QRS complex, and the T wave
100
A network of specialized cardiac muscle cells that initiates and distributes electrical impulses
What is the conducting system
200
Transports blood to and from the rest of the body
What is the systemic circuit
200
The base of the heart is also known as
What is the apex
200
This carries blood to the lungs
What is the pulmonary artery
200
These make up the bulk of the heart's muscle tissues
What is contractile cells
200
The purkinje fibers are located in the...
What is the apex of the heart
300
Muscular wall of the heart which contains cardiac muscle tissue, blood vessels, and nerves.
What is myocardium
300
Covers the outer surface of the heart
What is epicardium
300
This separates the two ventricles
What is the interventricular septum
300
What happens in the T wave stage?
What is the calcium channels close and the potassium ions rush out of the cell. Repolarization restores the resting potential.
300
Job of pacemaker cells...
What is depolarize rapidly, causing 70-80 action potentials (or heartbeats) per minute.
400
This action prevents backflow or...
What is regurgitation
400
Marks the border between the atria and the ventricles
What is the coronary sulcus
400
The scientific name for heart strings...
What is chordae tendineae
400
Job of noncontractile muscle cells
What is they control and coordinate the activities of the contractile cells.
400
A condition in which the heart rate is slower than normal
What is bradycardia
500
The amount of blood ejected by a ventricle in a single beat
What is stroke volume
500
The fibrous attachment to the diaphragm
What is mediastinum
500
The opening in the fetal heart is called
What is the foramen ovale
500
Equipment that monitors the electrical signals of the heart.
What is an electrocardiogram
500
The AV Bundle is also known as
What is the Bundle of His
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