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Y3V-T2-LSN5
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Slide 1:
Diapositive
Biologie
Voortgezet speciaal onderwijs
Leerroute 3
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Welcome, please get ready:
laptop
Slide 1 - Diapositive
Note the names of the different types of phagocytes that play a part in your innate immunity
Slide 2 - Carte mentale
1
2
3
Surviving tissue cells are sending out distress molecules
macrophages respond and start to devour the pathogens. They also send out other alarm molecules
neutrophils respond and leave the blood vessels. They attack the pathogen by releasing toxic molecules and they kill themselves off
Slide 3 - Question de remorquage
Inflammation causes a lot of discomfort. Still it is very useful: for what purpose does tissue get inflamed?
Slide 4 - Question ouverte
What is the main 'ingredient' of pus?
A
pathogens
B
macrophages
C
neutrophils
Slide 5 - Quiz
Disease & Immunity
Lesson 5
Concept map & start project
Slide 6 - Diapositive
Lines of defence
Slide 7 - Diapositive
Learning goals:
I understand the difference in innate and adaptive immune system
I understand the difference in specific and aspecific immune system
I can explain what barriers in the human body contribute to immunity
I can explain how phagocytes contribute to immunity
I know the difference between blood plasma, tissue fluid and lymph fluid
Slide 8 - Diapositive
KEY WORDS:
Lymphocytes/Leukocytes
Phagocytes
Macrofages
Phagocytosis
Dendritic cells
Neutrophils
Innate immunity
Adaptive immunity
Barrier function
Phagocyte
Phagocytosis
Lymphatic system
Lymph nodes
Slide 9 - Diapositive
Overview of line 2
Line 1 fails: pathogens invade the body
Surviving tissue cells call for help
Macrophages start to devour pathogens and send out signs
Neutrophils arrive and join the battle. They massively kill off the pathogens and themselves
Proteins of the complement system start to kill pathogens by perforating them
Dendritic cells display parts of the pathogens on their membranes and travel to the lymph nodes
Activation of defence line 3: the adaptive immune system - the lymphocytes
Slide 10 - Diapositive
Inflammation
a reaction from the tissue to the signaling molecules
Slide 11 - Diapositive
Lymphatic system
lymph vessels, lymph nodes, bone marrow, spleen and thymus
sewage system of your body
drained tissue fluid is sent to lymph nodes for screening
here the dendritic cell presents its pathogen parts (antigens)
Slide 12 - Diapositive
A concept map
A concept map adds descriptions to links between two terms
Slide 13 - Diapositive
KEY WORDS:
Lymphocytes/Leukocytes
Phagocytes
Macrofages
Phagocytosis
Dendritic cells
Neutrophils
Innate immunity
Adaptive immunity
Barrier function
Phagocyte
Phagocytosis
Lymphatic system
Lymph nodes
Slide 14 - Diapositive
Homework for next lesson:
Create a concept map on the INNATE IMMUNE SYSTEM of the human body.
Hand it in on the google class room before the start of next lesson
Slide 15 - Diapositive
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