How many parts of the brain are there?
3 the cerebrum, the cerebellum, and the brain stem
What decides how to react?
The brain
What do neurons do?
They send messages from the brain to the body and vise versa.
Do all areas of the brain process the same thing?
No
What makes you feel something on your arm.
Touch receptors
How heavy is the brain?
3.3lbs
What is a stimulus.
The thing that activates your senses.
Who do they send the messages to?
The brain
Name all five senses
Vision, touch, taste, hearing and smell
What parts make up your central nervous system?
The brain and the spinal cord
What are the three parts of the brain?
cerebrum, cerebellum, brain stem
What do the touch receptors do?
They sense the stimulus
What do neurons look like.
Wires
Does the size of the stimulus affect if the touch receptors can feel it?
YES, if the stimulus is too small than the touch receptors can't feel it.
What part of the brain is the cerebrum?
The pink outside part
What % of the brain does the cerebellum take up?
11%
When something tickles you what makes you feel it?
The touch receptor
A call to action is sent on what neurons?
Motor neurons
Over time will a sensation get stronger or weaker
Weaker
What will be the effect of having more folds in your cerebrum?
Your brain will be more efficient
What relays the massages to and from cerebrum and cerebellum?
the brain stem
Do your toes have touch receptors?
Yes
What part of the neurons are the sensory receptors on.
The ends
Name three types of information that the sensory systems collect
Sensation, Amount of sensation, the place of the stimulus and the length of the sensation
When do neurons send messages?
When receptors sense something