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Mod 10
Nervous/ Endocrine system
Term | Definition |
---|---|
Central nervous system | Refers to brain/spinal cord |
Peripheral Nervous system | Consists of sensory and motor neurons |
Sensory | Afferent nerve fibers, carry info from sense organs to CNS |
Motor | Efferent, carry directives from CNS to rest of body |
Somatic | Intentional movement of skeletal muscles |
Parasympathetic | calming, Rest and digest ( Decelerates heartbeat, Lowers blood pressure, Stimulates digestion) |
Sympathetic | Arousing, Flight/Flight/ Freeze (accelerating heart rate, raise blood pressure, slow digestion) |
Endocrine system | "slow" chemical communication (HOrmones move through the bloodstream) |
Pituitary gland | Master gland (Human growth hormone) |
Adrenal gland | release epinephrine and norepinephrine energize the body |
Pancreas | Releases insulin, regulates blood sugar |
Thyroid | Regulates metabolism |
Parathyroid | Regulates calcium |
Ovaries and testes | Sex hormones |
Studies Structure | CT, and MRI |
Studies function | EEG, FMRI, and PET |