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stack 7 part 2


nerve is the body's longest and thickest beginning in the buttocks all the way to the feet Sciatic
in the abdomen is such a site where thousands of peripheral nerve fibers intermingle before branching outward to internal organs, arms, legs Solar Plexus
control conscious, voluntary movement by sending information to skeletal muscles ex. combing hair somatic (voluntary)
control all internal organs and their processes such as breathing and digestion. control unconscious, involuntary functions such as heart rate, hormone secretion. automatically alert without being aware of it Autonomic (involuntary)
increase mobilize organ function when needed, speed up heart or breathing rates Sympathetic Autonomic Nerve
decrease organ/gland function when needed, returning organs to a quiet, calm state. activate when rest, sleep, relaxation is needed Parasympathetic Autonomic Nerves
12 pair of nerves that originate and extend directly from the under surface of the brain 12 cranial nerves
smell; is the only part of the brain exposed to the outside world and the only nerve connected directly to the cerebrum hemisphere Olfactory
vision (25% of brain is devoted to this) Optic
face, teeth, tongue, chewing, tears, lips, scalp, gums (associated with migraine headaches) Trigeminal
"feel good" brain chemical is associated with headaches, dilates & inflames blood vessels; Serotonin
very sensitive nerve in the roof of the mouth and should extreme cold touch the upper roof, this nerve over reacts and screams Spheno-Palatine Ganglion
collection of 9 glands located throughout the body that produce Hormone, twin brother of the nervous system endocrine system
complex, extremely potent chemical messengers that, when needed, diffuse out of their respective gland into the bloodstream for transport to a "target" site in another part of the body Hormone Physiology
regulates hormone levels/amounts. receptors that sense change Feedback Mechanism
cherry-sized. endocrine and nervous system key site. coordinate and control hormone secretion Hypothalamus
remarkable pea-sized gland located about an inch behind the nose that's attached to, and hangs down from, the base of the Hypothalamus Pituitary gland
bigger, produces 7 hormones Anterior Lobe
"central commander master" because it secretes 9 distinct hormones. housed in a safe well protected depression of the Sphenoid inner skull bone Pituitary gland
produces 2 hormones Posterior Lobe
located deep in the exact center of the brain between the two hemispheres. Pineal gland
pineal gland produces this; regulates sleep patterns because it senses light- exposure as in night and day Melatonin
largest endocrine glands, located in the neck in front of the trachea windpipe just below the Adam's Apple; shaped like a bow-tie and has two lobes connected by an isthmus connecting tunnel key role is metabolism Thyroid Gland
regulates metabolism, which is how quickly the body burns energy. determines how energetic we are Thyroxin (T-4)
Created by: jrb022



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