nervous &endocrine systems review
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What are the functions of the nervous system?
sensation; causes movement, thinking, and feeling
How does information flow through the nervous system?
sensory nerves carry messages from the body to the spinal cord and the brain.
motor nerves carry messages about movement from the brain to the spinal cord to the body.
Reflexes are when a message only goes to and from the spinal cord.
There are special nerves controlling our involuntary muscles (breathing, digestion)
what is the function of the pons
helps control breathing
what is the function of the medulla oblongata?
controls autonomic functions (breathing, circulation, digestion, etc)
what is the function of the cerebellum?
coordinates movement and balance
what is the function of the thalamus?
relays sensory info to the cerebellum
also regulates emotions
what is the function of the hypothalamus?
releases hormones, controls body temperature, regulates hunger and thirst
what are the functions of the cerebrum
- 85% of the brain's weight
- each area controls or senses from a specific part of the body
- left hemisphere controls right side of body
- right hemisphere controls left side of body
- left side of brain does most comprehension
- right side of brain does most perception of shapes, feelings
- two halves of brain are connected by the corpus callosum
What does the pituitary gland do?
produces many hormones which control growth, blood pressure, urine production, intentines
What is the function of the adrenal glands?
outside layer makes hormones that controls how the body stores nutrients
inside layer makes adrenaline, which raises blood pressure, speeds up heart, breathing, raises body temperature, releases more sugar for your body to use
What does the thyroid gland do?
in the neck
produces hormones that control the speed at which your cells work (metabolism)
What does the parathyroid glands do?
on the thyroid gland
controls the speed at which calcium gets put into blood
What does the pancreas do?
near the stomach
produces insulin, which controls the amount of sugar in the blood
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