Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
28 Cards in this Set
- Front
- Back
What body process is carried out when you feel hungry? |
Homeostasis |
|
What part of a neuron carries impulses away from the cell body? |
Axon |
|
Where does a motor neuron send impulses to? |
Muscles or glands |
|
Why is pain important? |
To alert you of danger |
|
What is a synapse? |
Junction where a neuron sends an impulse to a structure receiving it |
|
What is a reflex? |
Involuntary response occurring rapidly without control |
|
What does the spinal cord do? |
Links brain to peripheral nervous system |
|
What does the somatic system control? |
Voluntary movements |
|
What brain part controls memory? |
Cerebrum |
|
The brain and spinal cord make up what system? |
Central nervous system |
|
List the three brain regions. |
Cerebrum, cerebellum, brain stem. |
|
What is a concussion? |
Bruise like injury to the brain |
|
Spinal cord injuries may result in? |
Paralysis |
|
What is a spinal nerve made of? |
Sensory and motor neurons |
|
In some reflex actions what isn't involved? |
The brain |
|
Image produced by lens is? |
Upside down |
|
Cones enable you to see? |
Color |
|
What do structures in the inner ear control? |
Balance and stability |
|
What causes nearsightedness and farsightedness? |
A defect in the eye shape |
|
What produces sound? |
Sound waves and vibrations |
|
What structure passes vibrations to the cochlea? |
Stirrup |
|
What do senses of smell and taste detect? |
Chemicals in food and the air |
|
What is affected when the semicircular canals are damaged? |
Balance and stability |
|
What is affected if the auditory nerve is damaged? |
You go deaf |
|
What is affected if the optic nerve is damaged? |
You go blind |
|
List the function of the parts of the eye. |
Light hits cornea. Passes to pupil. Lens focuses to retina. Image goes to optic nerve. Optic nerve send ls to brain. |
|
List the functions of the parts of the ear. |
Sound waves enter through eardrum and vibrate hammer then anvil then stirrup. Stirrup send vibrations to cochlea and then are sent by cochlea to auditory nerve.
Semicircular canals control balance |
|
List parts of a neuron. |
Axon, dendrite, cell body. |