Respiratory System/ Respiratory Function

lab

posterior

nasal vestibule

behind vestibule

nasal cavity made up of stratified squamous epithelium

what is the nasal cavity lined with

mucous membrane

Uppermost area of the pharynx

Nasopharynx

What 2 tubes open from the nasopharynx

auditory tubes

Lower region of the pharynx that is responsible for food, air, liquid

oropharynx

Inferior region of the pharynx

laryngopharynx

What is the larynx known as

Voice box

Prominent cartilage in the larynx

Thyroid cartilage

Cartilage behind the thyroid cartilage is

Cricoid cartilage

Cartilage the is superior of the cricoid cartilage?

Arytenoid cartilage

Vestibular folds are known as

False vocal cords

Most superior cartilage of the larynx

epiglottis

what does the epiglottis try and prevent food/water from going into? What reflex does this lead to?

Glottis. Cough reflex.

Trachea is known as

Windpipe

Most inferior portion of the trachea

carina

How many lobes in the right lung and what are they?

3 lobes. Superior, middle, inferior

How many lobes in the left lung and what are they? Indentation occupied by heart?

2 lobes. Superior and inferior. Cardiac Notch.

bronchi divide into what?

Bronchioles

What do bronchioles divide into?

Respiratory Bronchioles

Respiratory bronchioles lead to passageways known as

Alveolar ducts

Sacs in lungs for gas exchange is?

Alveoli

Cluster that surround the alveolar duct are?

Alveolar sacs

Make up about 90% of alveoli

Type 1 Pneumocytes

Secrete surfactant

Type 2 Pneumocytes

Breakdown of alveoli called

emphysema

What is pulmonary ventilation?

Breathing

What is tidal volume

amount of air in and out of lungs during a normal breath.

Tidal volume for an average adult

0.5L

Instrument used for breathing volumes

Spirometer

Name of volume of air that you completely exhale

Vital capacity