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YR2-CH5&6-LSN6
HAVE READY:
YOUR NOTES
GOOGLE CLASSROOM
YOUR HW UPLOADED TO CLASSROOM
Complete the test review open questions?
Is everything answered?
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Biologie
Middelbare school
havo, vwo
Leerjaar 2
This lesson contains
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HAVE READY:
YOUR NOTES
GOOGLE CLASSROOM
YOUR HW UPLOADED TO CLASSROOM
Complete the test review open questions?
Is everything answered?
Slide 1 - Slide
NOTES TODAY:
THE HEART SONG
WHAT IS BLOOD MADE OF?
WHAT ARE BLOODGROUPS?
WHAT IS THE IMMUNE SYSTEM?
HOW DOES THIS WORK?
Slide 2 - Slide
THE HEART SONG:
Watch:
In which order does the blood flow through the heart?
When is the heart "filling up with blood"?
Slide 3 - Slide
Slide 4 - Video
In which order does the blood flow through the heart?
A
atrium right; atrium left; down to ventricle
B
down to ventricle; atrium left; atrium right; down to ventricle
C
atrium left; down to ventricle; atrium right; down to ventricle
D
atrium right; down to ventricle; left atrium; down to ventricle
Slide 5 - Quiz
When is the heart filling up with blood?
A
relaxed state (diastole)
B
contract state (systole)
C
never
Slide 6 - Quiz
Blood
Slide 7 - Slide
What is blood made of?
Slide 8 - Slide
Slide 9 - Slide
What are the bloodgroups?
Slide 10 - Slide
How do they cross?
-> see classroom or make a screenshot
timer
5:00
Slide 11 - Slide
Slide 12 - Slide
Movie: the immune system
Watch:
Where are the leukocytes originated form?
How long does it take before the immune system reacts?
Which cells act like PacMan?
What is the benefit of fever?
Slide 13 - Slide
Slide 14 - Video
Where are leukocytes originated from?
A
red blood cells
B
bone marrow
C
brain
D
thymus
Slide 15 - Quiz
How long does it take before the immune system reacts after pathogens enter your body?
A
millions of years
B
days
C
2 weeks
D
minutes
Slide 16 - Quiz
Which cells act like PacMan?
A
red blood cells
B
T-cells
C
phagocytes
D
platelets
Slide 17 - Quiz
What is a benfit of fever?
A
you will feel sick and are going to rest
B
your immune systems works better then
C
you will get thirsty and drink enough to dillute your blood
D
your body is to warm for the pathogen
Slide 18 - Quiz
What is going wrong at people with an auto-immune dissease?
A
their immune system attacks their own cells
B
red blood cells do not work
C
they have always a fever
D
their immune system does not recognize pathogens
Slide 19 - Quiz
Antigens:
Antigens are like the passport of a cell. This how your body knows if a cell does or does not belong in your body.
Antigens are proteins that sit on the cell wall/cell membrane of all cells in nature.
Slide 20 - Slide
Antibodies:
Your cells produce these to fit the antigens and so attack the pathogens. These are produced by the B-cells.
stick to antigens
make pathogens stick together
stop reproduction
work as a gps
Slide 21 - Slide
Phagocytes:
The stupid soldiers
They attack anything with foreign antigens.
The also attack anything with antibodies attached
They can track antibodies.
Slide 22 - Slide
Lymphocytes:
B-cells
- stick the antibodies together
- produce the antibodies
- make memory cells
T-Helper cells
- identify enemies
- activate B-cells
T- Killers cells
- if need be produce toxins to kill the pathogens the phagocytes can't kill
- produce toxins to neutralise those of the pathogens
Slide 23 - Slide
HW FOR NEXT TIME LESSON:
Kerboodle page 94 - 95
exercises 1-9
institution code = ldu2
Slide 24 - Slide
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