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5.1 - Percieving your environment
Unit 5 Perception, behaviour and regulation
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Biologie
Middelbare school
vwo
Leerjaar 2
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Unit 5 Perception, behaviour and regulation
Slide 1 - Diapositive
Today's lesson
- Introduction to your senses
- Which organs are we talking about?
- How do impulses start?
- How does your nervous system function?
Slide 2 - Diapositive
You can sense things around you. What can you sense around you? List 5 of your senses.
Slide 3 - Question ouverte
Senses
Sight
Sense of hearing
Sense of balance
Sense of smell
Sense of taste
Sense of heat/cold
Sense of touch/pressure
Slide 4 - Diapositive
Sensing things
Slide 5 - Diapositive
Sensing things
You see and smell chocolate
Using
sense organs
Signal
(impulse)
through
nerves
to your
brain
Brain send impulse to arm muscle -> you grab the chocolate
Slide 6 - Diapositive
Sense organs = zintuigen
Eyes, ears, nose, tongue, skin
Together =
sensory system
Slide 7 - Diapositive
Sensory organs
Slide 8 - Diapositive
Sense organs send signals through the nerves to the ...
A
eyes
B
ears
C
brain
D
muscles
Slide 9 - Quiz
All your senses together form the ...
A
nervous system
B
sensory system
C
brain system
D
sense canal
Slide 10 - Quiz
How do you call the signals the sense organs send out?
Slide 11 - Question ouverte
Sense receptors in the skin
Heat receptors
Cold receptors
Pressure receptors
Touch receptors
Slide 12 - Diapositive
Reacting to the surrounding
Stimulus (prikkel)
= information from the surrounding
Light, temperature, smell, sounds, skin contact
Stimulus -> sense organ -> impulse -> nerves -> brain
Brain responds with a impulse to the muscles to react
Slide 13 - Diapositive
Which square is darker?
Slide 14 - Diapositive
Which square is darker?
Slide 15 - Diapositive
Sensory cells
Sensory organs have
sensory cells
Which are connected to
nerves
When the sensory cells receive a
stimulus
they generate an
impulse
(kind of
electrical signal
)
Slide 16 - Diapositive
Fill in the right words:
The smell of a fresh panini comes into your nose, this is called a .... Then a .... is sent through the nerves to the brain.
Slide 17 - Question ouverte
Slide 18 - Vidéo
Let's get to work
Read 5.1 in your textbook
Make assignments 1,2, 3 and 5 in your workbook
Slide 19 - Diapositive
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