18. IMMUNE SYSTEM JEDI TRAINING

Match the following

• Saliva

• Contains enzymes that kill bacteria and other pathogens that are swallowed.

• Cilia

• Produces a sticky fluid called mucus that traps particles out of the respiratory tract.

• Stomach acids

• Contains antibacterial enzymes that protect the mucous membrane in your mouth.

• Skin

• Help trap pathogens and move in wave-like motion to send them out to your throat or nose.

• Mucous membrane

• Acts as a nearly impenetrable barrier to invading pathogens, keeping them outside the body.

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Match each term to its correct definition

• Cytotoxic T cells

  (Killer T cells)

• Produce and release antibodies that capture antigens and mark them for destruction.

• Memory cells

  (T or B)

• Enable immune system to respond quickly if the same pathogen attacks.

• Helper T cell

• Attack and kill infected cells.

• B cell

• Label invaders for later destruction by macrophages. They also produce plasma cells and memory B cells.

• Plasma cells

• Bind to macrophages and activate B cells and cytotoxic T cells. They also produce memory T cells.

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Organize these options into the right categories

Groups:

(a) Active Immunity

,

(b) Both

,

(c) Passive Immunity

• Protect body from disease

• Develops after exposure to antigen

• Antibodies are given

• Long lasting protection

• Temporary protection

• Body makes own antibodies

• Boost immune response

• Does not require exposure to antigen

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Organize these options into the right categories

Groups:

(a) Primary Immune Response

,

(b) Secondary Immune Response

• Takes short time to establish immunity

• It can prevent disease

• First time body is exponsed to pathogen

• It cannot prevent disease

• Takes long time to establish immunity

• Second time body is exposed to pathogen

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Match the following

• Antibiotics

• Solution that contains a dead or weakened form of a pathogen.

• Fever

• Drugs used to fight bacterial and fungal infections.

• Antibodies

• Bind to the pathogen's membrane weaken it and cause pathogens to clump together.

• Inflammatory response

• Causes local blood vessels to dilate, increasing blood flow to the infection site.

• Vaccines

• Increases body temperature to slows the growth of bacteria and speed up the production of immune cells.

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The humoral immune response happens in body fluids, such as blood and lymph.

Reorder the following steps of the humoral immune response.

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The cell-mediated Immune response defends the body against viruses, fungi, and abnormal cancer cells.

Reorder the following steps of the cell-mediated response.

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