Neuron

What is a cell called that carries information through your nervous system?

Synapse

A junction between a structure such as a dendrite, a muscle or a gland.

Cochlea

A snail shaped tube in the inner ear

Cerebrum- right hemisphere

What part of the central nervous system is responsible for creative thinking

What is the function of the brain stem

It regulates breathing

Concussion

A bruise-like injury to the brain

Function of the semicircular canals

Maintains balance

Why don't foods tste good when you have a cold?

Because your nose is blocked

Is alcohol a depressant or a stimulant

Depressant

What carries nerve impulses between neurons?

Interneuons

Withdrawal

The period of adjustment that occurs when a person who is addicted to a drug stops taking the drug

Where are rods and cones located in the eye?

Retina

What type of drug slows down the central system?

Depressant

What does tolerance of a drug mean?

You need larger amounts of the drug for the same affect 

What is a stimulus and a response?

Stimulus- a change in the environment that  causes a reaction. Response-the reaction to the stimulus

Axon

The extension of a neuron that carries impulses away from the cell body (pg 178)

What does the central nervous system include?

The brain and the spinal cord

Autonomic nervous system

It controls involuntary actions

What is nearsightedness?

Can't see things far away

What is farsightedness?

You can't see things close up

Reflex- body reacts automatically.

Voluntary response- brain tells the body what to do

Describe the function of the senses

Each sense takes information fromt he environment

2. sense organs change the information to the brain.

What is a sensory neuron?

Picks up stimuli from the environment and converts each into a nerve impulse.

What is a motor neuron?

It sends an impulse to a muscle or gland causing a reaction.

What is an interneuron?

Carries nerve impulses from one neuron to another.