lymphatic and immune system Flashcards

1
Q

role of lymphatic and immune system

A

protect the body from pathogens

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2
Q

lymphatic

A

is more like a filtration system that keeps everything clean and balanced

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3
Q

immune system

A

is like an army, a defender system that goes to battle with the invading pathogen

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4
Q

four functions of lymphatic system

A
  1. recycling extra fluid
  2. transporting pathogens
  3. storage of some WBCs
  4. absorption of nutrients
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5
Q

lymph capillaries

A

extra fluid passes more easily into this system

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6
Q

lymphatic fluid

A

the fluid that flows in the lymph capillaries and through the system

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7
Q

lymph nodes

A

catch invading pathogens

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8
Q

lymphatic vessels empty into

A

lymphatic trunks

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9
Q

lymphatic trunks empty into

A

one thoracic duct and right lymphatic duct

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10
Q

spleen

A

clean up waste and debris in our system

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11
Q

function of the spleen

A

filters pathogens
remove and destroy old, damaged, or fragile RBCs

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12
Q

thymus function

A

packed with a type of white blood cells (WBCs) called lymphocytes

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13
Q

antigens

A

indenting whether the cell is supposed to be in the body or not

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14
Q

antibodies

A

your body makes proteins that bind to antigens, eventually destroying them

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15
Q

innate immunity

A

when we are born, already developed.
recognize that something is not you

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16
Q

adaptive immunity

A

recognize the specific invader

17
Q

neutrophils

A

phagocytosis

18
Q

macrophages

A

phagocytosis

19
Q

basophils and mast cells

A

release chemicals to promote inflammation

20
Q

natural killer cells (NK cells)

A

release chemicals to kill cells displaying foreign antigens

21
Q

T lymphocytes (T cells)

A

kill pathogens and release chemicals to help with immunity

22
Q

B lymphocytes (B cells)

A

produce anti-bodies that allow the body to recognize pathogens

23
Q

What is an immune system component

A

white blood cells

24
Q

cytokines

A

proteins produced by damaged tissues and WBCs that stimulate the immune response

25
Q

signs of inflammation

A

swelling, redness, feel hot

26
Q

immunodeficiency disorder

A

under active immune system

27
Q

hypersensitive reaction

A

also known as allergy or an allergic reaction
fight harmless antigens

28
Q

anaphylaxis

A

histamine release caused vasodilation through your the whole body

29
Q

active acquired immunization

A

where your body makes antibodies

30
Q

passive acquired immunization

A

where antibodies are injected into your body

31
Q

adaptive immunity

A

where the body can recognize the specific invader and know who to respond each time

32
Q

innate immunity

A

first line of defence against invading pathogens

33
Q

lymphocytes

A

immune cell made of bone marrow
Found in the blood and in lymph tissue

34
Q

histamine

A

a chemical found in some of the body’s cells

35
Q

phagocytosis

A

an important process for nutrition in unicellular organisms