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Cardiovascular SystemChapter 11
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Stations Activity
• You will spend time completing each station. Follow instructions provided on the station handouts.
• All recording of data or answers to questions goes in your notebook, to be checked later.
• There are 4 stations, numbered 2-5 (There is no station 1)
• Rotate to the next station when instructed to do so
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Anatomy of Heart• Follow along on your handout and label and write
notes accordingly
• Different parts of heart numbered 1-15
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1) Aorta
• Originates from left ventricle
• Main artery in body
• Extends down to abdomen
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1) Aorta• Carries oxygenated blood all over body
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2) Superior Vena Cava
• Large diameter
• Delivers deoxygenated blood from upper body to right atrium
• What color is this depicted as?
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2) Superior Vena Cava
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3) Right Pulmonary Artery
• Delivers deoxygenated blood to right lung
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3) Right Pulmonary Artery
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4) Right Pulmonary Veins• Carries oxygenated blood from right lung to the
left atrium
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Pulmonary Circuit
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5) Right Atrium• Deoxygenated blood enters the heart here
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6) Right Atrioventricular Valve (Tricuspid)• Prevents back flow from the ventricles
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7) Right Ventricle• Pumps deoxygenated blood to lungs
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8) Inferior Vena Cava• Large diameter• Carries deoxygenated blood from lower body to
right atrium
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9) Left Pulmonary Artery• Delivers deoxygenated blood
to left lung
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10) Left Pulmonary Veins• Carries oxygenated blood from left lung to the left
atrium
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11) Left Atrium• Receives oxygenated blood from pulmonary veins
and pumps it into the left ventricle
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12) Left Atrioventricular Valve (Bicuspid)• Prevents back flow from the ventricles
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13) Semilunar valves• Opening of the aorta and pulmonary artery.• Prevent blood from flowing back into ventricles
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14) Left Ventricle• Thickest of all chambers• Pumps oxygenated blood into aorta all over body
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15) Descending aorta• Part of the aorta that descends to lower body• On left side of vertebral column
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Septum• Dividing wall between the right and left side of
heart• Atrial and Ventricular
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Chordae Tendineae• “Heart Strings”
• Cord-like tendons
• Attaches muscle in ventricles to the atrioventricular valves
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Chordae Tendineae
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Chordae Tendineae• Control valve movement