lymphatic system Flashcards

1
Q

what does the lymphatic system consist of

A

fluid (lymph)

lymphatic vessels transport lymph

red bone marrow

bunch of organs that contain lymphatic tissue (tonsils, spleen,thymus gland)

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2
Q

what does lymph act as

A

biological filters

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3
Q

where does the fluid enter and leave

A

enters through afferent lymphatic vessels, filters through sinuses, leaving through efferent lymphatic vessels

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4
Q

what are the specialised cells that line each sinus, engulf and destroy trapped particles

A

phagocytes

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5
Q

what does interstitial fluid supply and remove

A

supplies o2/ nutrients
removing urea/co2

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6
Q

what is the location of lymph

A

lymphatic vessels, flowing through lymphatic vessels until returned to cardiovascular system

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7
Q

where is interstitial fluid located

A

fills microscopic spaces between cells of tissue

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8
Q

where does lymph originate as

A

plasma, clear in colour

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9
Q

how does plasma become lymph

A

plasma filers out arterials, collects waste, drains into lymphatic vessels

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10
Q

what does lymph bath

A

all of your bodies cells

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11
Q

what is the daily amount of fluid that seeps from blood into tissue spaces

A

20L

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12
Q

how does lymph transport back into blood

A

via subclavian veins

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13
Q

where does the subclavian vein drain lymph

A

from the right lymphatic duct and the thoracic duct

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14
Q

where does the right lymph duct collect lymph from

A

head
neck
thorax
right arm

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15
Q

how long is the right lymphatic duct

A

approx 1.25cm long

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16
Q

where does the thoracic duct collect lymph from

A

head
neck
thorax
left arm
lower body

17
Q

how long is the thoracic duct

18
Q

how many lymph nodes are located along the lymphatic vessels

A

approx 600

19
Q

where are lymph nodes mainly located

A

neck, armpit and groin

20
Q

what are the lymphatic organs

A

spleen
thymus
tonsils
adenoids

21
Q

what does the spleen do

A

filters out old worn red blood cells and destroys them

22
Q

where is the thymus

A

small gland under sternum

23
Q

what does the thymus help to produce

A

white blood cells

24
Q

what is the function of tonsils and adenoids

A

help to protect entrance of digestive systems/ lungs from bacteria/viruses

25
where are the adenoids
back of nose where it meets back of throat
26
where are your tonsils
two glands in the back of your throat
27
functions of lymphatic system
protect against infection transport lipids/proteins back to bloodstream maintains correct fluid balance
28
what happens at the injured site because of lymph
causes swelling of injured cite
29
what does lymph do to damaged tissue
helps to heal it helps to remove it support for damaged tissue
30
what three lymphatic trunks drain into the right lymphatic duct
right jugular trunk right subclavian trunk right bronchomediastinal trunk