Ken E. Richardson
February 22, 2012
Diseased Lungs
Healthy Lungs

Nasal Cavity
◦ Receives inhaled air

Pharynx
◦ Funnels inhaled air toward the trachea/food toward
the esophagus

Larynx
◦ Site where speech sounds are produced

Trachea
◦ Airway to the bronchi

Main Bronchi
◦ Two, each of which carries air to one of the lungs

Bronchiole
◦ Small airway branches within the lungs

Lungs
◦ Organs where oxygen and carbon dioxide are
exchanged

Alveoli
◦ Sacs where oxygen moves into the blood and
carbon dioxide exits
Respiration: How it works.
Click the above caption to see a brief video on how respiration works.

Lesson Plan
◦ www.pbs.org

Photographs of diseased and healthy lungs.
◦ Courtesy of John Dickerson, RN, Baylor Transplant
Center, Dallas TX.

Respiration Video
◦ www.argosymedical.com

To restart the presentation, click here:
Name:
Ken Richardson
Subject Area:
Biology
Grade Level:
High School
Lesson Title/Web Address:
Respiration
http://www.pbs.org/opb/childrenshospital/classroom/poptg_e2_lungs.htm?590
Nevada Standard: L.12.B.2 Students know the human body has a
specialized anatomy and physiology composed of a hierarchical
arrangement of differentiated cells.
Objective: Identify human body systems and describe their
general functions.
Assessment: Quiz. Students are expected to identify the eight
major components of the respiratory system and their respective
functions.