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Biology 12 > Circulatory System > Flashcards

Circulatory System Flashcards

1
Q

Top and bottom numbers in blood pressure

A

systolic (top) and diastolic (bot)

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2
Q

Why does the heart make noise

A

the valves are closing

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3
Q

Order blood pressure in veins, arteries, and capillaries from highest to lowest

A

Arteries, Capillaries, Veins

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4
Q

Where is waste highest?

A

Just before the kidneys (renal artery)

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5
Q

where is there the least amount of waste

A

just after the kidneys (renal veins)

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6
Q

How many layers do arteries have

A

three

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7
Q

Which node begins the heartbeat?

A

SA node

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8
Q

what muscle is in blood vessels?

A

smooth muscle

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9
Q

How does blood remove heat?

A

Dilates and pushes blood closer to the surface so it can cool

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10
Q

What is the gap in a fetus’s heart chambers

A

oval opening

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11
Q

What controls heart rate?

A

Medulla Oblongata

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12
Q

What causes the ventricles to beat?

A

Purkinje fibres

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13
Q

What does the AV node use to send the signals to the Purkinje fibres?

A

AV bundle

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14
Q

First bump in ECG heartbeat

A

Atrial Systole

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15
Q

Large spike on ECG

A

ORS wave, ventricular systole (Contracting)

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16
Q

Last bump on ECG

A

Atrial/ventricular diastole (Relaxing)

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17
Q

What device measures blood pressure and spelling

A

Sphygmomanometer

18
Q

What is the normal heart rate?

A

60 - 100 bpm

19
Q

What is Urea?

A

Waste product cleaned out of blood by kidneys

20
Q

What side of the heart pumps oxygenated blood?

21
Q

What side of the heart pumps deoxygenated blood?

22
Q

What artery pumps blood to the lungs?

23
Q

What direction do arteries pump?

A

Away from the heart

24
Q

What direction do veins pump?

A

To the heart

25
Q

What is hypotension?

A

Chronic low blood pressure

26
Q

What is hypertension?

A

Chronic high blood pressure

27
Q

Artery: Ascending and Descending, from the heart to all other major arteries

28
Q

Artery: Heart to Head

29
Q

Artery: Heart to lungs

A

Pulmonary (deoxygenated)

30
Q

Artery: Heart to arms

A

Subclavian

31
Q

Artery: Heart to kidneys

32
Q

Artery: Heart to legs

33
Q

Artery: Heart to cardiac muscle

34
Q

Artery: Heart to small intestine

35
Q

Vein: From head to the heart

A

Jugular vein

36
Q

Vein: From lungs to the heart

A

Pulmonary vein (oxygenated)

37
Q

Vein: From arms to the heart

A

Subclavian

38
Q

Vein: From kidneys to the heart

39
Q

Vein: From legs to the heart

40
Q

Vein: From cardiac muscle to the heart

41
Q

Vein: From small intestine to the liver

A

Hepatic Portal Vein

42
Q

Vein: From all major veins to the heart

Biology 12 (3 decks)

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