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Biology 12 unit 9 > Unit 9- Blood Vessels > Flashcards

Unit 9- Blood Vessels Flashcards

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1
Q

Which arteries go to the intestine and branch into capillaries that can be identified as villi?

A

Mesenteric artery’s

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2
Q

Coronary arteries; Why doesn’t the heart not receive its nutrients from the blood that travels through it?

A

The muscle is too dense and thick and the blood is travelling through it too hard and fast

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3
Q

Mesenteric artery‘s branch off from the aorta as it travels _________. There is no corresponding _____________________

A

Travels posteriorly, no corresponding mesenteric vein

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4
Q

Renal Arteries and veins function

A

The arteries take blood away from the kidneys while the Renal veins take blood away from the kidneys and back to the posterior Vena cava

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5
Q

Jugular vein function

A

Conduct blood out of the head to the Superior Vena Cava

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6
Q

Why are the carotid artery‘s highly specialized?

A

They contain a number of different types of nerve endings that detect oxygen content and pressure receptors that detect blood pressure changes

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7
Q

Role of sphincter muscles

A

When triggered they can dilate or constrict to regulate blood pressure

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8
Q

Hepatic vein

A

Once the liver has done its thing to the blood the blood must return to the Venous system

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9
Q

What are the types of blood vessels?

A

Arteries
Veins
Capillaries

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10
Q

Function of the anterior Vena cava

A

Collects blood from the upper body

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11
Q

If all capillary beds are open at one time, how would it affect the blood pressure?

A

Decrease blood pressure

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12
Q

Function of carotid artery‘s

A

Maintains homeostasis

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13
Q

Function of the posterior vena cava

A

Collects blood from the lower body

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14
Q

Arterioles Leading into a particular organ or region are often equipped with

A

Sphincter muscles

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15
Q

The vein that does not contain valves

A

Jugular veins

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16
Q

Nerve endings are also called

A

Chemoreceptors

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17
Q

Jugular veins blood flow

A

Is through gravity

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18
Q

Subclavian artery’s and veins also branch from the __________. Travels under the ____________

A

Branch from the aorta. Travels under the clavicle

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19
Q

Capillaries have __________________ that can _________ and ___________ the vessel

A

Sphincter muscles, dialate, constrict

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20
Q

What blood vessel has thick muscular, elastic wall

A

Arteries

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21
Q

The match for the carotid artery

A

Jugular veins

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22
Q

Only artery in the body that carries deoxygenated blood

A

Pulmonary arteries

23
Q

What is the pulmonary circuit comprised of?

A

The pulmonary trunk and arteries that deal strictly with the heart and the lungs

24
Q

Veins function

A

Transports blood back to the heart

25
Q

Features of arterioles and venules

A

All the same features as arteries but on a smaller scale

26
Q

If all the capillary beds were closed, what would it do to the blood pressure?

A

Increase blood pressure

27
Q

Efferent arteriole

A

The outgoing arteriole

28
Q

The term afferent arteriole

A

The incoming arteriole

29
Q

Carotid arteries

A

These branches of the aortic arch take the blood to the head including the brain

30
Q

Location of arteries

A

Usually deep along bones

31
Q

Mesenteric arteries function

A

Feeding the organs of the digestive system and picks up newly digested nutrients in the body

32
Q

Aortic arch

A

The aorta leaves the left ventricle, loops over top of the heart creating this structure and descends along the inside of the backbone

33
Q

Function of the coronary arteries and veins

A

Feeds the heart muscle

34
Q

What is the anterior (superior) and posterior (inferior) vena cava?

A

Large vein that collects all the deoxygenated blood from the smaller veins to the heart (right atrium)
the largest vein of the body

35
Q

Hepatic vein function

A

Carries blood from the liver to the posterior vena cava

36
Q

Only vein in the body that carries oxygenated blood

A

Pulmonary veins

37
Q

Iliac arteries and veins

A

When the dorsal aorta gets to the pelvic area it branches into two Iliac arteries, one goes down each leg

38
Q

Coronary arteries and veins are

A

Relatively small blood vessels that can be seen on the surface of the heart

39
Q

Function of both anterior and posterior Vena cava

A

Large vein that collects all the spent blood from the smaller veins to the heart

40
Q

Location of capillaries

A

Everywhere; within a few cells of each other

41
Q

Function of arteries

A

Transport blood away from the heart

42
Q

Subclavian artery‘s and veins function

A

Branch to feed the arms (brachial artery) veins collect blood from the arms

43
Q

The very first branches off the aorta

A

Coronary arteries

44
Q

Functions of the capillaries

A

Interconnect arteries to veins

45
Q

Iliac arteries and veins function

A

To supply the legs with oxygenated blood and return Deoxygenated blood to the posterior Vena cava

46
Q

Femoral artery

A

Another branch off the Iliac arteries that feeds the upper leg

47
Q

Which blood vessel contains a structure with very thin walls that are one cell thick

A

Capillaries

48
Q

The renal arteries branch of the dorsal aorta as it passes through the….

A

Lumbar region of the body

49
Q

Aorta function

A

Branches from this blood vessel feed the rest of the body

50
Q

Major blood vessels carry oxygenated blood out of the heart

A

aorta

51
Q

Veins structure

A

Thin walls; contain valves

52
Q

What is the location of veins?

A

Often on the surface surrounded by skeletal muscles

53
Q

Hepatic portal vein meaning

A

Hepatic means liver; portal indicates that there is a capillary bed on both end of it

54
Q

Hepatic portal vein function

A

Brings blood from digestive tract to liver

Biology 12 unit 9 (11 decks)

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