Download The Respiratory System Upon completion of this lesson, students

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

Organisms at high altitude wikipedia, lookup

Transcript
The Respiratory System
Lesson 1:
The Respiratory System
Upon completion of this lesson, students
should be able to …



Explain the purpose and function of the
respiratory system.
List and explain the structures and
functions of the organs of the respiratory
system.
Explain the different respiratory volumes
and capacities.







Mouth and Nose
Pharynx
Passes through the larynx
Into the trachea
Into the alveoli
diffuses through the capillaries to the arteries
The waste-rich blood from the veins releases
carbon dioxide into the alveoli


The diaphragm helps
carbon dioxide follows the same path out of
the lungs when we exhale

See This!!!!!
◦ Nose
◦ Paranasal sinuses
◦ The pharynx (or throat)
◦ larynx (or voicebox)
◦ Trachea splits into two branches
called bronchi
◦ Tiny branches of the bronchi called
bronchioles
◦ lungs




Cleanses inhaled air
◦ Cilia and mucus
Moistens
Warms
Assists with drainage

Septum
◦ Divides nose into left and right




Common path for air and food
Branches into trachea (air passageway)
and esophagus (food passageway)
Contains the tonsils


Thyroid cartilage:
◦ “Adam’s apple”
Epiglottic cartilage:
◦ Aka epiglottis
◦ Closes over the trachea (windpipe) during
swallowing
◦ Check This out


lined with mucous membrane and cilia
open passageway through which air reaches
the lungs
 Extend
into the lungs to the
bronchi
 View
This

bronchi subdivide into smaller and smaller
branches called bronchioles
 Bronchioles
terminate in air
sacs called
alveoli



Small air sacs
elastic
Surrounded by network of capillaries for gas
exchange
 Supply
oxygen
 Remove wastes and toxins

6 small groups of four

Diaphragm
◦ Forms floor of thoracic cavity
◦ Separates the abdomen from the
thoracic cavity
 Orolaryngologist
 Pulmonologist