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1.2 Cellular respiration-2 (Diffusion)
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Slide 1:
Video
Biology
Middelbare school
vwo
Leerjaar 2
This lesson contains
14 slides
, with
interactive quiz
,
text slides
and
2 videos
.
Lesson duration is:
50 min
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Items in this lesson
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Slide 1 - Video
Ch. 1 Breath in ... and out
Materials
- iPad
- Pen, pencil
- note book
For a mark
- No
Lessonup
- Yes
Bags
in bag closet
Phones
in your bag /
in bag closet
Slide 2 - Slide
today''s program
results 2-test
revision homework
diffusion
homework
Slide 3 - Slide
Learning objectives: 'what I am going to learn?'
I can ....
explain what air is.
explain the difference between breathing, gas exchange and cellular respiration
explain the relation between photosynthesis and cellular respiration
New key terms:
inhalation - exhalation - lung ventilation - gas exchange -
cellular respiration
previous lesson
Slide 4 - Slide
Slide 5 - Slide
Learning objectives: 'what I am going to learn?'
I can ....
explain what diffusion is and give an example
explain the difference between gas exchange and diffusion
describe how gasses travel from the lungs to body cells
compare diffusion of gasses and diffusion of water (osmosis)
New key terms:
diffusion, osmosis
Slide 6 - Slide
process - place
respiration - in and out nasal and oral cavity
lung ventilation - between windpipe and lungs
gas exchange - between alveolus and lung capillary
between capillary and body cell
Slide 7 - Slide
how does gas exchange take place?
mechanism : diffusion
between alveoli and lung capillaries
between capillaries and body cells
Slide 8 - Slide
assignment
read button F and G in Brick's Biology
copy the definition of DIFFUSION in your note book
do exercises 2, 3 and 4
read button H and copy the last sentence in your note book and fill in the gaps
Slide 9 - Slide
Slide 10 - Slide
what makes gas exchange between alveoli and lung capillaries so effective? and between 'body' capillaries and body cells?
a large amount of alveoli / body cells
--> large surface for diffusion
a large amount of lung capillaries / body capillaries
--> large surface with difference is gas concentration
alveoli, capillaries and body cells have thin 'walls' (=1 layer of cells)
--> short distance for diffusion
Slide 11 - Slide
Slide 12 - Video
what else makes diffusion
easier in the lungs?
Slide 13 - Mind map
homework
learn 1.2 diffusion (button A - G)
read about osmosis (button H and I)
finish exercises 1-4
next lesson pratical ...
Slide 14 - Slide
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