Respiratory System

hard palate

separates the nasal cavity from the oral.

tongue

attached to the mandible and hyoid bone by muscles and ligaments.

Provides the structures for the ____________________ in the body through _________.

exchange of oxygen (O2) and carbon dioxide (CO2); respiration

The exchange occurs with ________ and CO2, a waste product for ________ .

O2; metabolism

Air from the ____ passes through the ________ creating sound.

lungs; vocal cords

glottis

opening in between the vocal cords.

vocal cords

located behind the thyroid cartilage.

Sinuses

cavities in the skull

Pharynx

throat

Epiglottis

leaf shaped flap of the cartilage behind the tongue that prevents food from entering the respiratory tract

Upper Airway includes the

* Nasal cavity
* Oral cavity
* Pharynx
* Larynx

Air enters the respiratory system through the **_______** **________**

anterior nares (nostrils)

It travels through the nasal cavity which is divided by the **__________**

nasal septum

Turbinates

3 bony projections which air hits when going in

The sinuses include the

* Frontal
* maxillary
* Sphenoid
* Ethmoid

The oral cavity includes the

* Cheeks
* Hard and soft palates
* Tongue

Hyoid bone

A U-shaped bone and located below the chin

Nasopharynx

Back of nasal opening to soft palate

Oropharynx

Soft palate to behind the mouth (to hyoid bone)

Laryngopharynx (hypopharynx)

Located below the oropharynx and superior to the larynx

The pharynx includes the

nasopharynx, oropharynx, laryngopharynx and epiglottis