selected physiological processes
TRANSCRIPT
Slide 1
SelectedPhysiological ProcessesGuided by,Dr. Zinnat Ara YesminAssistant professorDept. of Anatomy, BSMMUPresented by,Dr. Md. Mohiuddin Masum
ObjectivesAt the end of the session audience will be able to:
Explain the mechanism of different physiological processes-
BreathingCoughingSneezingPhonationTemperature regulationBlinking
BreathingThe process of taking air into and expelling it from thelungs(Oxford Dictionary)
22minutes Breathing
Stig Severinsen Denish free diver, 22 minute breath hold4
Breathing
Breathing
Internal intercostalExternal intercostalExternal obliqueInternal obliqueTransversusu abdominisRectus abdominisThe DiaphragmScaleneSternocleidomastoid
Breathing
Breathing
Breathing
Breathing
Breathing
Breathing
Breathing
Breathing
CoughingA rapid expulsion of air from the lungs, typically in order to clear the lung airwaysof fluids, mucus, or other material.(MedicineNet.com)
90decibelCoughing
90 db, normal conversation 60db16
Coughing
Coughing
Coughing
Coughing
SneezingExpulsion of air and nasal secretions from the nose involuntarily, as the result of irritation of the nasal mucous membrane(Collins Dictionary)
Sneezing100Miles/hr39Miles/hr
39 mile/ hour, 19 feet22
Sneezing
Sneezing
Sneezing
Coughing vs. SneezingCoughingSneezing ReceptorIrritation of the trachea, bronchiIrritation of nasal mucosaAfferent nerveVagus and glossopharyngeal nerveTrigeminal nerveMechanism involvedBoth reflex and voluntaryOnly reflex
PhonationThe process of producing vocal sounds and especially speech(Merriam-Webster Dictionary)
Phonation
Kenny Mohammad28
Phonation
Phonation
Phonation
Phonation
Phonation
Phonation
QuietBreathingFullInspirationWhisperingVoiceHigh-pitchedVoiceOpenRotate LaterallyCloseRotate MediallyCloseSlide Medially
Phonation
Phonation
Nasal cavityOral cavityUpper larynxPharynx
Phonation
PalateLipTeethTongue
Phonation
Temperature RegulationTemperature regulationis the processthat allows the human body to maintainits core internal temperature(healthline.com)
Temperature Regulation1Hour42 Seconds52 Minutes
Wim Hof (born 20 April 1959) is a Dutch, commonly nicknamed "The Iceman.The Guinness World Record is now set for 1 hour and 52 minutes and 42 seconds by Hof. 201140
Temperature RegulationWhy?To provide the optimum conditions for enzyme-catalysed reactionsto be carried out
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Temperature Regulation
Hypothalamus
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Temperature Regulation
Posterior hypothalamic areaAnterior hypothalamic area
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Temperature Regulation
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BlinkingInvoluntary rapid closing of eyes followed by rapid opening
Blinking16/minute9 days/year
100-150 milliseconds
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Blinking
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Blinking
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GNZEENSIHGUOCNINHTAERBPHYSIOLOGICAROCESSESLBINGNIKPHNATIONTMPARATURERGULATION
Thank YouThree apples fell from heaven:one for the teller, one for the listener,and one for himwho takes it to heart.(Armenian tale)
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