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Just Breathe. Respiratory System HST. Functions of the Respiratory System. Take in O2 for use on a cellular level Expels waste such as CO2 & H2O from the cells Air flow over larynx make speech possible. Word Parts. nas/o alveo/lo sinus/o pneum/o, pneumon/o, pneu

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Presentation Transcript
just breathe

Just Breathe

Respiratory System

HST

functions of the respiratory system
Functions of the Respiratory System
  • Take in O2 for use on a cellular level
  • Expels waste such as CO2 & H2O from the cells
  • Air flow over larynx make speech possible
word parts
Word Parts

nas/o alveo/lo

sinus/o pneum/o, pneumon/o, pneu

epiglott/o atel/o pulm/o

pharyng/o cyan/o pulmon/o

laryng/o -ectasis tachy-

trache/o phon/o thorac/o

bronch/o pleur/o -thorax

bronchi/o -pnea

the respiratory tract
The Respiratory Tract
  • Upper Respiratory Tract = nose, mouth,

pharynx, larynx

epiglottis, trachea

  • Lower Respiratory Tract = lungs,bronchi, bronchioles, alveoli

These are structures located

in the ______________cavity.

opening of the respiratory system
Opening of the Respiratory System
  • Nares-

Nares - nasal openings

nasal septum
Nasal Septum

Separates R & L nares

functions of the nose
Functions of the Nose
  • Mucous membranes -Warm, filter, moisten inhaled air
cilia tiny hairs inside the nose
Cilia = tiny hairs inside the nose
  • *Move mucous &

trapped particles

into esophagus

slide10

Mucous membranes

* line surfaces of

resp tract AND

*

secrete mucus to

moisten surfaces

and trap debris

sinuses
Sinuses

-air filled cavities

warm & moisten air

-give *resonance to voice

*richness, significance

pharynx
Pharynx

AKA the throat

  • Holds tonsils, adenoids
  • Receives air & food from mouth
  • Three divisions

* naso_____________

* oro ______________

* laryngo ___________

larynx
Larynx

AKA “Voice Box”

*Contains vocal cords

*Produces sound for speech

slide14
One of the nine cartilage rings that make up the

larynx. AKA: the thyroid cartilage

slide15
Epiglottis

Prevents food

from entering

the trachea

during swallowing

glottis

trachea bronchial tree alveoli
Trachea, Bronchial Tree & Alveoli

AKA Windpipe

* Carries air between

pharynx & bronchi

*************

* Right & Left Bronchi

branch off trachea

to take air to lungs

***************

* Bronchioles carry air from bronchi to alveoli

Trachea

Bronchioles

alveoli
Alveoli

*Site of cellular respiration

i.e. O2 & CO2 are

exchanged here

*Occur in grape like clusters

lungs
Lungs

*Hold and support

structures necessary for

respiration

* R has 3 lobes(divisions)

* L has 2 lobes

pleura
Pleura

*Multilayered membrane

surrounding the lung

*Rich nerve & blood supply

*Protects & prevents

friction

intercostal muscles

diaphragm
Diaphragm
  • Muscle that separated thoracic cavity from abdominal cavity
  • Contraction & relaxation causes respiration
respiration
Respiration
  • Inhalation
  • Exhalation
  • Normal Adult respiratory rate: 14-20/min
  • Normal pediatric rate: 20 – 25
  • Rate=
  • Volume=
  • Rhythm=
slide22

Eupnea *Hyperventilation

  • Tachypnea *Sleep Apnea
  • Bradypnea *Cheyne Stokes
  • Apnea Dyspnea (SOB)
  • Hypernea Hyperventilation
  • Hypopnea
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