Introduction to the immune system
Adaptive Immunity
Pathogens
Specific response to a particular antigen (antibodies)
An infectious diease causing agent: Bacteria, Fungi, Virus, etc.
Content Objective: Define pathogens, and explain the responses of the immune system Language Objectives: Read and write about the immune system Share in cooperative groups about the immune system
Innate Immunity
Non specific response to pathogens attempt to block them all
Innate Response
- Rapid response
- Present before exposure
- Short response
- No immune memory
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Mucus Membrane
Continuous with the skin at body openings such as the eyes, ears, inside the nose, inside the mouth, lip, vagina, the urethral opening and the anus.
Cells secrete a sticky mucus that traps microbes and particles before they can get deeper into the body.
Goblet cells in the mucous membrane lining secrete a glycoprotein molecule called mucin. Mucin mixes with water to form mucous.
Mucus is sticky and traps pathogens before they can infect the body.
Skin
Physical barrier with chemical secretions that keep hazardous organisms and materials outside the body
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Mechanical Actions
-Shedding of skin cells: 14 days (fun fact: every minute we lose about 30,000 to 40,000 skin cells -Mucociliary Sweeping: ciliated cells of the mucus membrane sweep out mucus and trapped microbes -Coughing: propels air and particles out of the lungs and throat at 50 mph -Peristalsis: contraction and relaxation of muscles to flush pathogens into the intestine -Vomiting and Diarrhea: Remove toxins and pathogens in the gastrointestinal tract -Flushing of bodily fluids: urine, tears, saliva, prespiration, and blood
Adaptive Response
- Slower response to pathogen
- Requires exposure to the antigen
- Longer duration in response
- An immune memory is built
Intro to the Immune System
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Transcript
Introduction to the immune system
Adaptive Immunity
Pathogens
Specific response to a particular antigen (antibodies)
An infectious diease causing agent: Bacteria, Fungi, Virus, etc.
Content Objective: Define pathogens, and explain the responses of the immune system Language Objectives: Read and write about the immune system Share in cooperative groups about the immune system
Innate Immunity
Non specific response to pathogens attempt to block them all
Innate Response
Got an idea?
Use this space to add awesome interactivity. Include text, images, videos, tables, PDFs... even interactive questions! Premium tip: Get information on how your audience interacts with your creation:
Got an idea?
Use this space to add awesome interactivity. Include text, images, videos, tables, PDFs... even interactive questions! Premium tip: Get information on how your audience interacts with your creation:
Mucus Membrane
Continuous with the skin at body openings such as the eyes, ears, inside the nose, inside the mouth, lip, vagina, the urethral opening and the anus. Cells secrete a sticky mucus that traps microbes and particles before they can get deeper into the body. Goblet cells in the mucous membrane lining secrete a glycoprotein molecule called mucin. Mucin mixes with water to form mucous. Mucus is sticky and traps pathogens before they can infect the body.
Skin
Physical barrier with chemical secretions that keep hazardous organisms and materials outside the body
Got an idea?
Use this space to add awesome interactivity. Include text, images, videos, tables, PDFs... even interactive questions! Premium tip: Get information on how your audience interacts with your creation:
Mechanical Actions
-Shedding of skin cells: 14 days (fun fact: every minute we lose about 30,000 to 40,000 skin cells -Mucociliary Sweeping: ciliated cells of the mucus membrane sweep out mucus and trapped microbes -Coughing: propels air and particles out of the lungs and throat at 50 mph -Peristalsis: contraction and relaxation of muscles to flush pathogens into the intestine -Vomiting and Diarrhea: Remove toxins and pathogens in the gastrointestinal tract -Flushing of bodily fluids: urine, tears, saliva, prespiration, and blood
Adaptive Response