9
2
Copy the diagram of a neuron into your notebook.
a)
Label the diagram.
b)
Write sentences to describe the function of each part.
The … controls/transmits/receives…
3
Represent the nervous system.
a)
In a large area, like the playground, make a line with your classmates.
b)
Hold hands with the people next to you.
c)
The first person in the line should gently squeeze the next person’s hand.
d)
Pass the movement down the line. When you feel your hand being squeezed,
squeeze the hand of the next person in the line.
4
T
h
i
n
k
!
Think about your representation of the nervous system in activity 3.
Answer the questions with a partner.
a)
What does the line represent?
b)
What does the action of squeezing represent?
5
6
QUIZ
Check your learning.
A
C T I V I T I E S
What is the sense of touch?
Our sense of touch enables us to touch and feel things
with our skin or
dermis
. Nerve endings detect information
about the objects that we touch. They produce nerve
impulses which the sensory nerves transmit to the brain.
First aid for burns
To treat minor burns, first, cool the
burnt area under cold water for
about 10 minutes. Then, cover the
burn with burn cream. Finally, cover
it with plastic food wrap. If there are
blisters, be careful not to break them.
To treat major burns, ask an adult, or
phone the emergency services.
epidermis
dermis
nerve endings
