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Bio 12 > Circulation > Flashcards

Circulation Flashcards

1
Q

Oxygenated blood is found on the ______ side of the heart

A

Left

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2
Q

The heart is able to beat without the control of the brain - therefore heartbeat is said to be _____

A

Intrinsic

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3
Q

These muscles can contract to stop the blood flow to capillary beds in certain areas of the body

A

Sphincter

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4
Q

The percentage of blood in the arteries at any one time

A

Twenty

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5
Q

These veins return blood from the head

A

Jugular

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6
Q

Another name go the left atrioventricular value

A

Bicuspid

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7
Q

The wall which divides the two sides of the heart

A

Septum

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8
Q

_________ circulation occurs on the left side of the heart

A

Sistemic

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9
Q

Total cords sectional area of the blood vessels is highest in the ____ beds

A

Capillary

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10
Q

Substances tend to move into the cells on the _________ side of the capillaries

A

Arterioles

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11
Q

The right_____ valve separates the right atrium and ventricle

A

Atrioventricular

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12
Q

Smaller blood vessels which carry blood back to the heart

A

Venues

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13
Q

The _____ Arteries carry blood to the head

A

Carotid

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14
Q

The main part of the heart ( mostly composed of muscle)

A

Myocardium

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15
Q

One of the layers found in arteries which allows them to constrict or dilate to modify blood pressure

A

Smooth muscle

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16
Q

The _____ Artery takes blood from the heart to the small intestine

A

Mesentery

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17
Q

These arteries and veins take blood to and from the arms

A

Sublcavian

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18
Q

The largest artery in the body

A

Aorta

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19
Q

_____ is affected by stress, oxygen levels, exercise, and blood from the heart

A

Heart rate

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20
Q

These veins return blood from the head

A

Jugular

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21
Q

Maximum concentration of the ventricles - highest blood pressure

A

Systole

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22
Q

The _____ Vena cava returns blood from the parts of the body that are below the heart

A

Inferior

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23
Q

Smaller vessels that carry blood away from the heart

A

Arterioles

24
Q

The ____ bode Is known as the pacemaker, as it initiate the heartbeat

A

SA

25
Q

The ______ receives blood returning from the lungs

A

Left atrium

26
Q

The number of layers of tissue in arteries

A

Three

27
Q

Contractions in these muscles help to push blood through the veins and back to the heart

A

Superior

28
Q

The pulmonary arteries carry blood to the _____

A

Lungs

29
Q

The aortic ______ Is where blood first leaves the left ventricle

A

Arch

30
Q

The aorta divides into the ____ arteries in the pelvic region

A

Iliac

31
Q

One of the layers found in the arteries which allows them to stretch during a pulse

A

Elastin

32
Q

The _____ arteries take blood to the heart

A

Coronary

33
Q

A device used for measuring blood pressure

A

Sphygmomanometer

34
Q

Substances tend to move out of the cells and into the blood on the _______ Side of the capillories

A

Venous

35
Q

Large vessels that carry blood away from the heart

A

Arteries

36
Q

Tiny blood vessel’s which deliver nutrients to individual cells

A

Capillaries

37
Q

________ pressure is created by the presence of salt and plasma proteins found in blood

A

Osmotic

38
Q

These muscles can contract to stop the blood flow took to capillary beds in certain areas of the body

A

Sphincter

39
Q

The type of muscle found in the heart

A

Cardiac

40
Q

Larger blood vessels which carry blood back to the heart

A

Veins

41
Q

The most muscular of the heart chambers

A

Left ventricle

42
Q

_________ Circulation occurs on the right side of the heart

A

Pulmonary

43
Q

The percentage of blood in the arteries at any one time

A

Twenty

44
Q

Structures in veins which prevent the backflow of blood

A

Valves

45
Q

________ is lowest in the venules and veins

A

Glood pressure

46
Q

The _____ Fibres carry electrical signal down to the ventricles to initiate contraction

A

Purkinje

47
Q

The hepatic _______ Bain takes blood from the small intestine to the liver

A

Portal

48
Q

The chamber of the heart which receives blood from the rest of the body

A

Right atrium

49
Q

Relaxation of the heart muscle - lowest arterial blood pressure

A

Diastole

50
Q

A membrane which surrounds the heart

A

Pericardium

51
Q

The expansion of the blood pressure during systole

A

Pulse

52
Q

The _____ node receives a signal from the SA node and initiates ventricular contraction

A

AV

53
Q

The heart is able to be without the control of the brain - therefore, heartbeat is said to be _______

A

Intrinsic

54
Q

The pulmonary ____ Valve prevents the backflow of blood as the right ventricle contracts to pump blood to the lungs

A

Semilunary

55
Q

The _____ Arteries and veins take blood to and from the kidneys

A

Renal

56
Q

Capillaries are only ______ Cell layer thick in order to allow the most efficient transport of materials across their walls

A

One

57
Q

Sound made by the heart valves during atrial contraction

A

Lub

Bio 12 (7 decks)

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