selected physiological processes

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Selected Physiological Processes Guided by, Dr. Zinnat Ara Yesmin Assistant professor Dept. of Anatomy, BSMMU Presented by, Dr. Md. Mohiuddin Masum

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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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4621735

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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