Respiratory apparatus

Respiratory apparatus
Respiratory apparatus: set of organs of respiration.
Nasal cavity: chamber of the nose.
Oral cavity: chamber of the mouth.
Epiglottis: fold of cartilage that closes the glottis during swallowing.
Trachea: tube connecting the larynx to the bronchi.
Cartilage: crest that separates the openings of the right and left bronchi.
Left lung: left respiratory organ.
Oblique fissure: separation between the two pulmonary lobes.
Diaphragm: large, thin muscle that separates the chest from the abdomen.
Esophagus: part of the digestive tract between the pharynx and the cardia of the stomach.
Alveola: small pulmonary cavity where gas exchange takes place.
Right lung: right respiratory organ.
Right bronchus: tube connecting the larynx to the lungs.
Terminal bronchiole: division of the bronchus that ends in a cluster of alveola.
Larynx: voice organ situated between the pharynx and the trachea.
Pharynx: part of the digestive tube between the mouth and the esophagus.

Photo :

EN : Tongue lower surface
FR : Langue face inférieure
ES : Lengua cara inferior

          lower surface

Since the tongue contains no bony supports for the muscles, the tongue is an example of a muscular hydrostat, similar in concept to an octopus arm. Instead of bony attachments, the extrinsic muscles of the tongue anchor the tongue firmly to surrounding bones and prevent the mythical possibility of 'swallowing' the tongue.

Animation : Breathing

Thanks to YouTube for allowing us to watch this video.