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32 Cards in this Set
- Front
- Back
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The Heart consists of.....
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Capillaries, veins, Arteries & heart
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What is the function of the heart?
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To transport blood around the heart
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Where is the heart situated
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In the thoracic cavity
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In a space known as?
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Mediastrium
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Pericardium is a?
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Sac of fibrous tissue
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Pericardium protects the heart from. ..
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Over expanding when it beats too fast
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Pericardium structure
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Double layer of inelastic membranes
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Visceral pericardium
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Layer in contact with the heart
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Parletal pericardium
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Outlayer
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Pericardial cavity
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Contains fluid which helps membranes cross each other
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Heart wall is made of?
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Myocardium
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What is myocardium?
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Heart muscle
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What is epicardium
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Outerlayer & attaches to muscle layer
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What is Endocardium?
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Inner layer & covers valves & Lining of blood vessels
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The heart is?
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Myogenic (beats on its own)
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The right side of the heart contains?
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Deoxygenated blood from body to lungs
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The left side of the heart?
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Contains oxygenated blood fron the lungs to the body
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Heart is seperated into two halves called?
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Intraventricular spetum
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Two chambers are called?
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Atrium & Ventrical
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Both
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Pump blood separately & are synchronized
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Atrium has a?
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Thin wall
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Ventrical has a?
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Thick wall
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Blood always travels in?
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One direction
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Valves
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Prevent the backflow of blood
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The valve which separate the two valves is called?
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Atrioventricular
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Left side of AV?
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Bicuspid
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Right side of AV
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Tricuspid
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What does tendinous chords do?
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Prevents chords from turning inside out
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What does the papillary muscle do?
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Increase chord tension and resist blood pressure
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What does pulmonary valve do?
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Prevent back flow of blood from pulmonic artery into right ventrical
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What doea Aortic valve do?
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Prevent backflow of blood fron aorta into left ventrical
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Two Valves are know as?
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Semi-Luna Valves
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