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Unit 1.
Interaction
6th Grade Natural Sciences
Review
3 Vital Functions
Interaction
Exchange
information with
the environment
Nutrition
Obtain nutrients
(food, oxygen,
water) and
eliminate waste
Reproduction
Create new living
things
Interaction Function
! To carry out the interaction function
we need
! The nervous system
! The 5 senses
! The locomotory system
Nervous system
! It is made up of:
! The brain
! The spinal cord
! The nerves
THE BRAIN; coordinating
centre
! Cerebrum: Biggest part.
Intelligence, memory,
personality, emotions, speech,
feel and move (voluntary)
! Cerebellum: Balance,
movement (automatic)
coordination.
! Brainstem: Connects to spinal
cord. Involuntary
actions(breathing, heartbeating)
Brainstem
THE SPINAL CORD: connects
the brain to the rest of the
body
! It is made up of nerves.
! A nerve is made up of
many axons of
neurons.
! Injuries in the spinal
cord can lead into
serious problems such
as lack of mobility in
the limbs.
Nerves: they
transmit
information.
! Sensory nerves:
! From the 5 senses to the brain
! Motor nerves:
! From the brain to the muscles or glands
Neuron
Cell body
Dendrites
of the axon
dendrites
nucleus
axon
Synapse: space between
neurons. Chemicals transmit.
Axon
Dendrite
Our net of neurons
Santiago Ramón y Cajal
Voluntary work:
Find out information about this great
Spanish Scientitst, including:
! His biography (include a photo)
! His discoveries (include photos)
! Awards
(you can do it on a poster or on a
presentation)
More information
! How the nervous system works and
curiosities
! https://www.youtube.com/watch?
v=dah-4mtAnsQ&feature=youtu.be
! Neuroscience for kids
! http://faculty.washington.edu/chudler/
introb.html

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Unit 2. Interaction natural science 5 primary