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TLL CH 9
THE SENSES
| Question | Answer |
|---|---|
| SENSES (GENERAL PURPOSE) | THIS IS A SET OF RECEPTORS THAT DETECT CHANGE IN THE ENVIRONMENT AND GENERATE AN IMPULSE (SEND INFO TO THE BRAIN) |
| CUTANEOUS SENSES | THESE ARE LOCATED IN THE DERMIS |
| FREE (CUTANEOUS SENSES) | ARE NOT CONERED BY CELLS---HOT, COLD, AND PAIN...THESE ALSO RESPOND TO "INTENSE STIMUULUS" |
| ENCAPSULATED (CUTANEOUS SENSES) | ARE COVER BY CELLS---TOUCH AND PRESSURE...MEANING THERE IS AN CELLUAR STRUCTURE AROUND THE NERVE ENDING |
| MUSCLE SENSES | KNOWLEDGE OF WHERE BODY PARTS ARE WITHOUT SEEING THEM |
| TASTE | TASTE BUDS ARE ON THE TONGUE MOST OF WHICH ARE FOUND IN THE PAPILLAE. THESE CHEMORECEPTOR'S DETECT CHEMICALS IN SOLUTION IN THE MONTH. THE CHEMICALS ARE FOOD AND THE SOLVENT IS SALVIA. |
| TASTE BUDS (FOUR TYPES) | SWEET, SOUR, SALTY, BITTER |
| SMELL | OLFACTORY RECEPTORS (ARE THE CHEMORECEPTOR'S)THAT DETECT VAPORIZED CHEMICALS THAT HAVE BEEN SNIFFED INTO THE UPPER NASAL CAVITIES. |
| EYELASH | PROTECT FROM INJURY--DUST |
| SCLERA | WHITE PART OF EYE |
| IRIS | COLORED PART OF EYE |
| PUPIL | OPENING, OCCULPMOTOR NERVE, REPONDS TO LIGHT, WILL CONSTRICT OR DILATE |
| CONJUNCTIVA | LINES THE EYE LID |
| TEARS | PRODUCED BY LACRIMAL GLAND, TEARS CONTAIN LYSOZYME |
| THE EAR | CONSISTS OF THREE AREAS;THE OUTER EAR, MIDDLE EAR AND THE INNER EAR. THE EAR CONTAINS THE RECEPTORS FOR TWO SENSES: HEARING AND EQUILIBRIUM. THESE RECEPTORS ARE FOUND IN THE INNER EAR. |
| EAR (OUTER) | VISIBLE FROM THE OUTSIDE, CURVES DOWN AND FORWARD |
| MIDDLE (EAR) | AIR FILLED TYMPANIC MEMBRANE VIBRATES IN RESONSE TO SOUND. EUSTACHIAN TUBES CONNECT TO THE NASOPHARYNX AND PERMITS AIR TO ENTER OR LEAVE THE MIDDLE EAR CAVITY |
| INNER (EAR) | FLUID FILLED, THAT HELP WITH BALANCE |
| TASTE--FYI | SOME TASTE PREFERENCES HAVE BEEN FOUND TO BE GENETIC...SENSE OF TASTE MAKES EATING ENJOYABLE..THIS BECOMES LESS ACUTE AS WE GET OLDER..WHICH MAY CONTRIBUTE TO POOR NUTRIRION IN THE ELDERLY. |
| TASTE--FYI | THE IMPULSES FROM TASTE BUDS ARE TRANSMITTED BY THE FACIAL AND THE GLOSSOPHARYNGEAL (7TH AND 9TH CRANIAL NERVES) TO TASTE AREAS IN THE PARIETAL TEMPORAL CORTEX. |
| HUNGER AND THIRST | CALLED VISCERAL SENSATIONS THAT ARE TRIGGERED BY INTERNAL CHANGES..RECEPTORS FOR BOTH SENSE ARE LOCATED IN THE HYPOTHALAMUS..RECEPTORS FOR HUNGER ARE BELIEVED TO DETECT CHANGES IN BLOOD NUTRIENT LEVELS..ALL CEMICAL SIGNALS R COLLECTED BY THE HYPOTHALAMUS |
| THIRST | RECEPTORS FOR THIRST DETECT CHANGES IN THE BODY IN THE BODY WATER CONTENT, WHICH IS ACTUALLY THE WATER-TO-SALT PROPORTION |
Created by:
TERRI LUCKETT
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