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Gr. 7 Q3 Nervous S.
G7 Q3 nervous
| Question | Answer |
|---|---|
| any change inside or outside your body that brings about a response. Ex: noise, light, smell of food, temperature. | stimulus |
| any message carried by a neuron. | impulse |
| The basic unit of the nervous system. A nerve cell that transmits impulses throughout the body. | neuron |
| receive messages and send them to the cell body. | dendrites |
| carries messages away from the cell body. | axon |
| Impulses are sent from one neuron to another across a space called | synapse |
| made up of the brain and the spinal cord. | Central Nervous System |
| The organ that controls body activities. | brain |
| the largest part of the brain, divided into two large sections called hemispheres. Interprets impulses from the senses, memory is stored and the work of voluntary muscles are controlled. | cerebrum |
| located behind and under the cerebrum, it coordinates voluntary muscle movements and maintains balance and muscle tone. | cerebellum |
| extends from the cerebrum and connects the brain to the spinal cord. Controls heartbeat, breathing and blood pressure | brain stem |
| controls body temperature to maintain homeostasis. | hypothalamus gland |
| It releases special hormones that made you grow. | pituitary gland |
| an extension of the brain stem, made up of bundles of neurons that carry impulses from the peripheral nerves to the brain and from the brain to all parts of the body. | spinal cord |
| pain is often not felt by a person with a this due to the fact that the impulse cannot be carried to the brain. | spinal cord injury |
| a loss or impairment of voluntary movement or feeling in a body part, due to nerve damage. | paralyzed (paralyze, paralysis) |
| made up of all the nerves outside the CNS including cranial and spinal nerves and is divided into two main systems. | Peripheral nervous system |
| consists of cranial and spinal nerves that go from the central nervous system to skeletal muscles. | somatic system |
| controls heartbeat rate, breathing, digestion and gland functions. | autonomic system |
| an involuntary and automatic response to a stimulus controlled by the spinal cord. Ex: Doctor hits your knee and your leg kicks. | reflex |
Created by:
Boarman
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