1. Brain and Neurons
Year Science

2. Human Brain The human brain has a range of different parts
You are required to know the function of, and be able to label the:
Cerebrum
Cerebellum
Brain stem
Spinal cord
Brain Function Video

3. Human Brain – Brain Stem
Oldest part of the brain
“Reptilian brain”
Controls automatic functions like breathing, and heart rate
Controls hunger and thirst
Controls simple emotions like happiness and sadness

4. Human Brain - Cerebrum Contains a range of different lobes
Processes sensory information from our eyes and skin etc.
Object recognition
Higher emotions
Language

5. Human Brain - Cerebellum
Back of the brain
Below the cerebrum
Controls the coordination of our body
Walking, talking, standing and dancing etc.
So you don’t fall over

6. Spinal Cord
The spinal cord makes up the central nervous system with the brain
It links the brain with the peripheral nervous system
It receives all the information from the sensory neurons
It relays information from the brain to the motor neurons

7. Neurons and Synapses
Sensory and motor neurons pass information around the body
Dendrites receive information from lots of other neurons

8. Neurons and Synapses
The message that is received by the dendrites is converted into an electrical impulse
The axon transmits the electrical impulse very fast
The myelin sheath keeps the message inside the axon

9. Neurons and Synapses
When the electrical signal gets to the end of the axon it stops
The synaptic terminals are not connected to another neuron
They produce a chemical message called a neurotransmitter

10. Neurons and Synapses
The neurotransmitters travel across the synapse, the gap between neurons
They are received by the dendrites of the next neuron
The message is converted to an electrical impulse and the message continues

11. Brain Dissection Cerebrum Cerebellum Spinal Cord Brain Stem
Dissection of the brain video