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anatomy > Blood and lymphatic system > Flashcards

Blood and lymphatic system Flashcards

1
Q

what does the cardiovascular system do

A

transports substances to and from body cells

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2
Q

what does blood do

A

carry everything

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3
Q

what does the heart do

A

pumps the blood

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4
Q

what are blood vessels

A

the network of tubes that the blood travels through

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5
Q

blood has 3 vital roles, what are they

A

transports oxygen, nutrients and waste
regulates body temp
Protects the body from disease

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6
Q

What type of tissue is blood

A

a connective tissue

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7
Q

What cells is blood made up of

A

red blood cells
white blood cells
platelets

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8
Q

what is plasma

A

a sticky fluid composed mostly of water

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9
Q

Red blood cells are what % of all blood cells

A

90%

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10
Q

What is red blood cells role

A

transport oxygen to cells

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11
Q

what is white blood cells role

A

Defend the body and fight disease

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12
Q

what is platelets role

A

forming blood clots to prevent bleeding

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13
Q

blood clotting is a 3 step process
what are these steps

A

vascular spasm
platelet plug formation
coagulation

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14
Q

what is vascular spasm

A

constriction of the blood vessel occurs to reduce blood flow through the damaged area

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15
Q

what is platelet plug formation

A

platelets are activated and begin to stick to the damaged site and to each other to from a temporary plug

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16
Q

what is coagulation

A

it is the final phase of blood clotting and involves the activation of many clotting factors.

17
Q

What is deep vein thrombosis

A

a blood clot in the deep veins usually on the leg

18
Q

What does the lymphatic system do

A

keeps body fluid levels in balance and defends the body from infections

19
Q

what is odema (swelling)

A

a accumulation of fluid within connective tissues

20
Q

What are the 4 lymph organs

A

tonsils
spleen
thymus
peyers patches

21
Q

what do tonsils do

A

protect against pathogens that could gain access to the body through the mouth

22
Q

what does a spleen do

A

stores and filters blood and fights infection

anatomy (7 decks)

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