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Lesson 6: Respiration in other animals
Chapter 5 (kerboodle)
Breathing and respiration
Lesson 6: Breathing in other animals
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Biologie
Middelbare school
vwo
Leerjaar 2
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Chapter 5 (kerboodle)
Breathing and respiration
Lesson 6: Breathing in other animals
Slide 1 - Slide
Slide 2 - Slide
Mammals
Where is the respiratory surface (RS)?
Lungs (alveoli)
How is the RS kept moist?
Mucus
Where does the organism get its oxygen from?
From the air
How does oxygen go from RS to cells?
Via the blood
How is the surface of the RS increased?
Lungs are composed of millions of tiny air sacs (alveoli)
Slide 3 - Slide
What is an Amoeba?
Single cell organism (Greek
amoibe
, means changing)
Can alter it's shape
Eats bacteria
Lives as parasite in animals or in water
Slide 4 - Slide
Amoeba
Where is the respiratory surface (RS)?
Cell membrane
How is the RS kept moist?
They live in water
Where does the organism get its oxygen from?
From the water
How does oxygen go from RS to cells?
Via diffusion into and out of the cytoplasm over the cell membrane
How is the surface of the RS increased?
Folds of the cell membrane
Slide 5 - Slide
Worm
Where is the respiratory surface (RS)?
Skin cells
How is the RS kept moist?
Mucus
Where does the organism get its oxygen from?
Air
How does oxygen go from RS to cells?
Diffusion between air and blood
How is the surface of the RS increased?
By ridges in the skin
Slide 6 - Slide
Fish
Where is the respiratory surface (RS)?
Gills
How is the RS kept moist?
They live in water
Where does the organism get its oxygen from?
From the water
How does oxygen go from RS to cells?
Gas exchange between the water and blood in the gills
How is the surface of the RS increased?
Gill arches and fine lamelles
Slide 7 - Slide
Insect
Where is the respiratory surface (RS)?
Spiracles (small holes in their abdomen)
How is the RS kept moist?
Not always moist
Where does the organism get its oxygen from?
Air
How does oxygen go from RS to cells?
By diffusion sometimes pumping air
How is the surface of the RS increased?
Many tubes within tubes
Slide 8 - Slide
Study for the glossary quiz!
-Quizlet live in 15 min.
timer
15:00
Slide 9 - Slide
HW for next week
Kerboodle
Question 1 -4 / page 76
Slide 10 - Slide
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