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What are the 2 types of nervous systems and what are their jobs?
- 1. Central- brain and spinal cord
- 2. Peripheral- send messages to the body
A nerve cell that is the main part of the nervous system is..
Receives info from other neurons and pass the message through the cell body.
Carries the message away..
White fatty substance that protects the axon...
The junction between the axon and dendrite is called the..
chemicals that are stored in the axon terminal are
extends from the brain and down the back..
What are the two divisions of the peripheral nervous system and what are their jobs?
- 1. somatic- sensory messages, touch, pain
- 2. automatic- regulates body functions
What are the 9 parts of the brain?
- 1. medulla
- 2. pons
- 3. cerebellum
- 4. reticular
- 5. thalamus
- 6. hypothalamus
- 7. limbic system
- 8. cerebrum
- 9. cerebral cortex
What connects the two parts of the brain together?
Records the electrical activity of the brain..
Measures the amount of radiation..
CAT (computerized axial tomography)
Uses radio waves to look at the brain..
MRI (magnetic resonance imaging)
glands the secrete hormones that regulate certain body functions..
stimulate growth and reactions
What are the 3 parts of the endocrine system?
- 1. Pituitary Gland
- 2. thyroid
- 3. adrenial gland
stimulates muscle growth, bones and behavior..
stimulates the arousal of the body and muscle development
produce eggs, estrogen, and progesterine
transmission of characteristics from parent to offspring
building blocks of heridy
threadlike structures of genes
born form the same egg
2 eggs; same parent