BIOL 121: Sheep Heart Anatomy

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Last updated 2:11 AM on 4/29/26
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5 Terms

1
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<p>Label the heart</p>

Label the heart

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2
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<p>Label the heart</p>

Label the heart

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3
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<p>Label the heart</p>

Label the heart

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4
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What’s the path of blood flow in pulmonary and systemic circuits?

DEOX BLOOD

body —> cranial vena cava —> right atrium + CONTRACTION —> tricuspid valve —> right ventricle —> pulmonary semilunar valve —> pulmonary trunk —> lungs

OX BLOOD

left/right pulmonary veins —> left atrium + CONTRACTION —> bicuspid valve —> left ventricle —> aortic semilunar valve —> aorta —> body

5
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What’s the purpose of the heart strings (chordae tenodae) and the papillary muscles?

Chordae tenodae: connect muscles to valves to prevent backwards flow of blood

Papillary muscles: make sure the valves don’t open/backwards flow of blood