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BIO 30S > BIO TEST #5 > Flashcards

BIO TEST #5 Flashcards

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Biology 101 flashcards
1
Q

3 functions of circulatory system

A

-transport nutrients to cells
-transport oxygen to cells
-removed waste from cells

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2
Q

arteries

A

transport blood away from the heart to the organs and tissues

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3
Q

what blood does arteries transport?

A

oxygenated blood

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4
Q

veins

A

returns blood from the the body back to the heart

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5
Q

what blood do veins transport

A

deoxygenated

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6
Q

capillaries

A

allows materials and gas exchange between the body cells and the blood

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7
Q

systemic circulation

A

blood flow between the heart and the body

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8
Q

pulmonary circulation

A

blood flow between the heart and lungs

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9
Q

how is the circulatory system similar to digestive system

A

transports nutrients from digestive system

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10
Q

how is the circulatory system related to the respiratory system

A

transports the oxygen

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11
Q

diastolic pressure

A

this is when your heart is relaxing, av valves are open, semilunar valves are closed and ventricles fill with blood

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12
Q

systolic pressure

A

this is when your heart is contracting, AV valves are closed, semilunar valves are open, and blood is forced out of the heart into the lungs and body

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13
Q

what are the three important blood vessels

A

arteries, veins, and capillaries

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14
Q

what would happen if blood supply to heart muscles were cut off

A

result is heart attack or stroke

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15
Q

why is the heart considered a double pump

A

Because one side is pumping oxygenated blood out and the other side is pumping deoxygenated blood back to the heart

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16
Q

what controls and opening and closing of heart valves

A

chordae tendoneae

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17
Q

what vein carries oxygenated blood in the body

A

pulmonary veins

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18
Q

heart valve disease: cause

A

heart attack, high blood pressure, and heart failure

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19
Q

heart valve disease: symptoms

A

weight gain, fatigue, and chest discomfort

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20
Q

heart valve disease: treatments

A

medications, surgery, and invasive procedures

21
Q

superior vena cava

A

-largest vein
- returns deoxygenated blood from upper body

22
Q

inferior vena cava

A

-largest vein
- returns deoxygenated blood from the lower body to right atrium

23
Q

right atrium

A

thin walled chamber of heart that receives deoxygenated blood from body

24
Q

tricuspid valve

A

controls the flow of blood entering the right ventricle from the right atrium

25
Q

right ventricle

A

muscular chamber that pumps blood to the lungs

26
Q

pulmonary valve

A

controls the flow of blood out of the heart via the pulmonary arteries to the lungs

27
Q

pulmonary artery

A

arteries that carry blood to the lungs

28
Q

pulmonary veins

A

veins that bring bloods to the heart from the lungs

29
Q

left atrium

A

thin walled chamber that receives oxygenated blood from the lungs

30
Q

mitral valve

A

a valve that controls the flow of blood from the left atrium to the left ventricle

31
Q

left ventricle

A

think walled chamber that pumps blood out of the heart and to the body

32
Q

aortic valve

A

valve that controls the flow of blood out of the heart via the aorta to the whole body

33
Q

aorta

A

largest artery that carries blood away from the heart and to all parts of the body

34
Q

septum

A

a wall of muscle that separates the left side of the heart from the right side. keeps deoxygenated and oxygenated blood from mixing

35
Q

myocardium

A

made up of layers of cardiac muscle

36
Q

where is the heart located

A

in the middle of your chest, slightly to the left

37
Q

what are the four chambers of the heart

A

-right atrium
-left atrium
-right ventricle
-left ventricle

38
Q

pericardium

A

-the double- walled sac around the heart
-protects the heart and prevents overfilling of blood

39
Q

why is the flow of blood important

A
  • delivers nutrients
    -assist in immune response
    -delivers hormones
    -closes wounds by blood clotting
  • temp control
40
Q

what is blood pressure

A

the force exerted from blood cells against blood vessel walls

41
Q

what is a pulse

A

a rhythmic throb that can be felt when an artery near the skins surface expands, allowing blood to flow through

42
Q

what is the pulse caused by

A

contractions of the heart

43
Q

what is the average high school student blood pressure

A

90-140/60-90

44
Q

what is lubdub

A

closing of the hearts valves

45
Q

what is a heart murmur

A

a damaged septum or damaged heart valves

46
Q

what happens if you don’t have an SA node

A

your heart will contract at different rates

47
Q

cardioaccelerator nerve

A

nerve in the brain that causes the heart to speed up when needed

48
Q

vagus nerve

A

nerve in the brain that caused the heart to slow down when needed

BIO 30S (4 decks)

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