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Unit 1 - Cardiovascular System > Structure of the Heart & CV System > Flashcards

Structure of the Heart & CV System Flashcards

1
Q

what are the four chambers of the heart

A
  • right atrium
  • left atrium
  • right ventricle
  • left ventricle
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2
Q

what are the four valves of the heart

A
  • bicuspid (mitral) valve
  • tricuspid valve
  • semilunar (pulmonary) valve
  • semilunar (aortic) valve
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3
Q

what are the four vessels within the heart

A
  • pulmonary vein
  • pulmonary artery
  • aorta
  • superior/inferior vena cava
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4
Q

what blood is on the right side of the heart

A
  • blood returning from the body
  • arriving from through the veins
  • deoxygenated blood
  • pumped to the lungs
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5
Q

what blood is on the left side of the heart

A
  • blood from lungs
  • oxygenated
  • pumped to the body via arteries
  • thicker chamber walls
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6
Q

what separates the left side of the heart from the right side

A

septum

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7
Q

what are the functions of the two atria

A
  • blood receiving chambers
  • fill with blood
  • contract to push blood through valves into relaxed ventricles
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8
Q

what are the functions of the two ventricles

A
  • discharging chambers
  • left ventricle pumps blood to body
  • right ventricle pumps blood to lungs
  • left ventricle is more muscular and produces more force
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9
Q

what/where is the bicuspid valve

A

between left atrium and left ventricle

assures blood flows in the correct direction

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10
Q

what/where is the tricuspid valve

A

between the right atrium and right ventricle

controls blood flow between the right atrium and ventricle

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11
Q

what/where is the aortic valve

A

between the left ventricle and aorta

blood leaving the left ventricle goes through the aortic valve into the aorta

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12
Q

what/where is the pulmonary valve

A

between the right ventricle and the pulmonary artery

blood leaving the right ventricle goes through the pulmonary valve to the lungs

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13
Q

what is the general function of valves

A

prevents blood flowing in the wrong direction

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14
Q

what are the characteristics of the aorta

A
  • the largest artery in the body

- blood pressure is very high

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15
Q

what are the characteristics of the superior/inferior vena cava

A
  • superior vena cava is the top of the vena cava, inferior vena cava is the bottom of the vena cava
  • superior vena cava brings blood into the top of the heart
  • inferior vena cava brings blood into the bottom of the heart
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16
Q

what is the function of the pulmonary vein

A
  • brings oxygenated blood from lungs to heart
17
Q

what is the function of the pulmonary artery

A

carries deoxygenated blood from the heart to the lungs

Unit 1 - Cardiovascular System (6 decks)

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