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Biology > Circulation Notes > Flashcards

Circulation Notes Flashcards

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0
Q

3 things that happen if blood doesn’t move

A

1) oxygen and nutrients don’t reach cells
2) wastes are not carried away from cells
3) hormones and WBC’s can’t get to destination

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1
Q

The movement of material around the body in the blood

A

Circulation

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2
Q

Open circulatory system

A

No blood vessels

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3
Q

Closed circulatory system

A

Have blood vessels

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4
Q

List 6 things about arteries

A 
Thicker
Go away from heart
Red
High O2 
Deep
No valves
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5
Q

Tiny vessels that exchange gas

A

Capillaries

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6
Q

List 6 things about veins

A 
Thinner
Come back to heart
Blue
Low O2
Superficial
Have valves
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7
Q

When vein valves get weak and back flow the wrong direction

A

Varicose veins

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8
Q

Collects blood from body

A

Right atrium

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9
Q

Collects blood from lungs

A

Left atrium

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10
Q

Pump blood to lungs

A

Right ventricle

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11
Q

Pump blood to body

A

Left ventricle

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12
Q

Surrounds heart, tissue

A

Pericardium

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13
Q

Division between left and right sides of heart

A

Septum

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14
Q

Between atria and ventricles

A

Atrioventricular

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15
Q

Between ventricles and arteries

A

Semilunar

16
Q

Relaxation stage

A

Diastole

17
Q

Contraction phase

A

Systole

18
Q

Lub

A

Ventricles

19
Q

Dub

A

Atria

20
Q

Trigger atria to contract

A

S/A node

21
Q

Trigger ventricles to contract

A

AV node

22
Q

Expansion and contraction of arteries

A

Pulse

23
Q

Plaque fills coronary arteries of the heart and stop blood flow to it

A

Atherosclerosis

24
Q

High blood pressure

A

Hypertension

25
Q

Heart stops beating due to loss of blood flow

A

Heart attack

26
Q

Blockage of blood to the brain

A

Stroke

27
Q

Back flow of blood from ventricles to atria

A

Heart murmur

28
Q

No blood clotting

A

Hemophilia

29
Q

Fluid build up

A

Edema

30
Q

List 3 functions of blood

A

Transports
Regulates
Protects

31
Q

List 4 things blood transports

A

Oxygen
Nutrients
Wastes
Hormones

32
Q

List 4 things blood regulates

A

Oxygen levels
Temperature
pH
Water levels

33
Q

Yellow liquid of blood

A

Plasma

34
Q

Contain hemoglobin, carry oxygen and nutrients

A

RBCs

35
Q

Fights infection

A

WBCs

36
Q

Clot blood

A

Platelets

37
Q

Purifies tissues and removes excess fluid

A

Lymphatic system

38
Q

Filter out toxins from the lymphatic vessels–>blood–>liver–>kidney–>urine out

A

Lymph nodes

Biology (16 decks)

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