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Human Anatomy > Ch. 21 Heart > Flashcards

Ch. 21 Heart Flashcards

1
Q

Functions of the heart

A

Generate blood pressure (pump the blood)

Direct the blood into the arteries

One way flow of blood

Regulate the blood supply
Changes with rest and exercise

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2
Q

The pericardium

A

Membranes around the heart
Visceral pericardium = against the heart
Parietal pericardium = outer lining
Pericardial cavity = space between pericardium

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3
Q

The heart wall (Structure)

A

Epicardium = epithelium and connective tissue
Myocardium = heart muscle
Endocardium
Trabecular carneae

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4
Q

External anatomy

A

R. Atrium, Coronary sulcus, R. ventricle

L. Atrium, inter ventricular sulcus, L. ventricle

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5
Q

External anatomy (anterior)

A
  • Superior and inferior vena cava
  • Pulmonary trunk with R. and L. pulmonary veins and arteries (Pulmonary arteries are superior to pulmonary veins)
  • Aortic arch
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6
Q

The heart “skeleton”

A

Fibrous connective tissue in the heart:

  • Pulmonary and aortic semilunar valves
  • Tricuspid valve
  • Bicuspid valve
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Human Anatomy (18 decks)

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