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V3 bs 3 and 7
TODAY' S PLANNING
- Gas exchange (alveoli)
- Smoking and diseases
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Biologie
Middelbare school
havo, vwo
Leerjaar 2
This lesson contains
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interactive quiz
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Items in this lesson
TODAY' S PLANNING
- Gas exchange (alveoli)
- Smoking and diseases
Slide 1 - Slide
K.P.68
Slide 2 - Slide
Slide 3 - Slide
Slide 4 - Video
moisture the alveolus
High oxygen concentration.
High carbon dioxide concentration.
one cell layer thick
cappilaries around the alveoli
oxygen goes into the red blood cells
oCarbon dioxide goes into the air
Red blood cell transport gasses
Slide 5 - Drag question
BS 7 SMOKING - why is it bad?
Slide 6 - Slide
Quick summary:
RESPIRATION
VENTILATION
GAS EXCHANGE
Slide 7 - Slide
timer
15:00
Slide 8 - Slide
MAMMALS:
lungs (alveolar wall)
mucus
air
carried in the blood through the bloodvessels.
the lungs are made up of millions of tiny airsacs (alveoli)
Slide 9 - Slide
AMOEBA:
cell membrane
they live in water
water
through diffusion
folds in the cell membrane
Slide 10 - Slide
Slide 11 - Slide
WORMS:
the skin
the cover the skin with mucus
air (mostly)
through bloodvessels
through ridges in the skin
Slide 12 - Slide
Slide 13 - Slide
FISH:
in gills
with water
water
through bloodvessels
many gills overlapping on gill ridges
Slide 14 - Slide
Slide 15 - Slide
INSECT:
spiracles
water
air
through tubes called spiracles on the side of the body
the tubes go far into the body.
Slide 16 - Slide
Slide 17 - Slide
Slide 18 - Video
www.blf.org.uk
Slide 19 - Link
DISEASES:
ASTHMA
BRONCHITES
EMPHYSEMA
LUNG CANCER
DAMAGE FROM SMOKING/DRUGS
Slide 20 - Slide
Get to work
Complete worksheet bs 1 to 5
This is homework for the next lesson
Already finished?
Make exercise 28 and 30 (bs 7)
timer
10:00
Slide 21 - Slide
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