What is the organ that controls our nervous system?
The brain.
TRUE OR FALSE: The brain has 5 different parts.
False - It has 3 parts: Cerebrum, Cerebellum, and Brain stem.
What is the biggest part of our brain and what does it do?
The CEREBRUM is the biggest part of the brain. The cerebrum processes info from our senses and helps us think.
What 3 things does the CEREBELLUM control for us?
It controls movement, coordination and balance.
The brain stem is the continuation of the ________ _______ and it controls ____________ _________ such as our heartbeat.
The brain stem is a continuation of the SPINAL CORD and it controls INVOLUNTARY ACTIONS such as our heartbeat.
TRUE OR FALSE: The spinal cord is protected by the vertebrae and it controls reflex actions.
True.
TRUE OR FALSE: The brain is protected by muscles and tissues.
False, the brain is protected by the skull.
PERIPHERAL NERVOUS SYSTEM: What kind of neurons help collect information from our eyes, ears, nose and mouth?
Sensory neurons.
What happens after all the sensory information is collected from the sense organs?
The brain processes the information and sends signals to other parts of the body.
What do motor neurons do?
They send messages from the brain to the local motor system.
TRUE OR FALSE: The sense of touch ONLY happens in the mouth and brain.
False, The sense of touch is spread throughout the whole body.
What are the 4 types of touch sensations?
cold, heat, contact and pain.
In what layer of the skin does the sense of touch originate? Hint: This is the BOTTOM-MOST layer.
Dermis. (NOT hypodermis)
How do nerve endings send information about temperature and texture to our brain?
They send ELECTRICAL IMPULSES through the spinal cord.
What parts of the body have MORE nerve endings than the rest of the body?
Fingertips, lips and face.
