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Ongoing Conditions > Circulatory System > Flashcards

Circulatory System Flashcards

1
Q

Circulatory system

A

Heart, blood, blood vessels

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2
Q

Heart

A

Located in the middle lower part of the chest, slightly to the left

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3
Q

Cardiac muscle

A

Muscle that makes up the heart. Has 3 layers: pericardium, myocardium, and endocardium

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4
Q

Pericardium

A

Outer layer of cardiac muscle

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5
Q

Myocardium

A

Middle layer of cardiac muscle. Made of muscle

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6
Q

Endocardium

A

Inner membrane of cardiac muscle

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7
Q

Superior vena clava

A

Carries blood from the head, arms, neck, chest

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8
Q

Inferior vena clava

A

Carries blood from the legs, feet, abdomen, pelvis

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9
Q

How does blood get to the lungs? (6)

A
  1. Enters through superior/inferior vena clava
  2. Passes through right atrium
  3. To right ventricle
  4. Passes through pulmonary valve
  5. Through/out pulmonary artery
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10
Q

How does oxygenated blood get spread through rest of body? (6)

A
  1. From the lungs - enters through pulmonary vein
  2. To left atrium
  3. Then left ventricle
  4. Through aortic valve
  5. To aorta
  6. Then rest of body
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11
Q

Heart valve

A

Allows blood to flow in 1 direction

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12
Q

Triscupid valve

A

Between right atrium/ventricle. 3 cusps

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13
Q

Biscupid valve

A

Between left atrium/ventricle. 2 cusps

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14
Q

Blood vessels

A

Arteries, veins, and capillaries. They carry blood from the heart to the cells, and back again

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15
Q

Arteries

A

Carry blood away from heart

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16
Q

Veins

A

Carry blood to the heart

17
Q

Capillaries

A

Allow for exchange of O2, nutrients, and waste

18
Q

Venule

A

Smallest vein

19
Q

Arterioles

A

Smallest artery

20
Q

Capillary bed

A

Group of capillaries

21
Q

Blood

A

Plasma + blood cells

22
Q

Plasma

A

Mostly water. Contains food, hormones, chemicals, and waste products by/for cells

23
Q

Red blood cells (erythrocytes)

A

Erythyro = red, cyte = cell. Hemoglobin carries oxygen and gives cell its red color. They can change shape to squeeze through capillaries

24
Q

White blood cell

A

Part of the immune system

25
Q

Platelets

A

Help with blood clotting

Ongoing Conditions (9 decks)

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