Ex 52 53 Respiratory Upper Respiratory external nares

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Ex. 52 -53: Respiratory

Ex. 52 -53: Respiratory

Upper Respiratory

Upper Respiratory

external nares (nostrils)

external nares (nostrils)

nasal cavity

nasal cavity

nasal septum

nasal septum

perpendicular plate

perpendicular plate

vomer bone

vomer bone

internal nares

internal nares

Nasal conchae superior middle inferior

Nasal conchae superior middle inferior

Paranasal sinuses

Paranasal sinuses

ethmoid

ethmoid

frontal

frontal

maxillary

maxillary

sphenoid

sphenoid

hard palate

hard palate

pharynx

pharynx

nasopharynx

nasopharynx

oropharynx

oropharynx

laryngopharynx

laryngopharynx

larynx

larynx

epiglottis

epiglottis

thyroid cartilage

thyroid cartilage

arytenoid cartilage

arytenoid cartilage

corniculate cartilage

corniculate cartilage

cricoid cartilage

cricoid cartilage

Vocal cords False vocal cord True vocal cord

Vocal cords False vocal cord True vocal cord

glottis (opening)

glottis (opening)

Lower Respiratory Tract

Lower Respiratory Tract

trachea

trachea

carina

carina

respiratory Tree

respiratory Tree

primary bronchi

primary bronchi

secondary (lobar) bronchi

secondary (lobar) bronchi

tertiary (segmental) bronchi

tertiary (segmental) bronchi

intralobular bronchiole

intralobular bronchiole

terminal bronchiole

terminal bronchiole

respiratory bronchiole

respiratory bronchiole

alveolar duct

alveolar duct

alveolar sac

alveolar sac

alveoli

alveoli

lungs

lungs

lobes

lobes

Right lung n – 3 lobes

Right lung n – 3 lobes

Left lung n – 2 lobes

Left lung n – 2 lobes

RESPIRATORY MUSCLES KNOW the muscle involved in normal and forced ventilation

RESPIRATORY MUSCLES KNOW the muscle involved in normal and forced ventilation

INSPIRATORY MUSCLES

INSPIRATORY MUSCLES

diaphragm

diaphragm

external intercostals

external intercostals

sternocleidomastoid

sternocleidomastoid

pectoralis minor

pectoralis minor

scalenes

scalenes

EXPIRATORY MUSCLES

EXPIRATORY MUSCLES

internal intercostals

internal intercostals

rectus abdominis

rectus abdominis

external oblique

external oblique

internal oblique

internal oblique

Transverse abdominis

Transverse abdominis

parietal pleura n n Outer surface Contacts ribs

parietal pleura n n Outer surface Contacts ribs

pleural cavity n Space between

pleural cavity n Space between

visceral pleura n n n Inner surface Covers lung Like cellophane

visceral pleura n n n Inner surface Covers lung Like cellophane

Next: Ex. 54 & 55 Breathing & Respiratory Volumes

Next: Ex. 54 & 55 Breathing & Respiratory Volumes