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Guide 5A

Respiratory System

Organs, functions, & disorders.

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In this guide you will meet respiratory structures, functions, disorders, and the process of breathing in maintaining homeostasis.

Video Overview

Watch this guide overview video; you can select the closed captioning “cc” option if you would like to see the text.

Respiratory System Guide Contents

Complete all four of these sections before taking the quiz and making your media piece.

Respiratory System Objectives

Cellular Respiration

List the products of photosynthesis that are critical for human survival; describe cellular respiration, including where it occurs in cells; and contrast cellular respiration with systemic respiration.


Respiratory Organs

Describe the organs gases pass through when you breath in and out, including the pharynx, larynx, trachea, and lungs, outline the basic structures of the lungs, including the bronchi, bronchioles, and alveoli, and explain how the structure of an alveolus relates to its function.


Respiratory Disorders

Describe what pneumonia is, where is occurs, and how it can be detected; provide information on COPDs, including chronic bronchitis, asthma, and emphysema; and list and describe diseases that may result from smoking cigarettes.

Breathing & Exercise

Describe how muscles move during inhalation and exhalation; calculate lung capacity based on breathing data; and explain how aerobic exercise can impact breathing capacity.


Respiratory Product Page

Look ahead to the products (quiz & media piece) you will be making after completing this guide’s four activity pages.

Respiratory Resource Page

Would you like to learn more than what is covered in this course?  Visit these extra resources for a lifetime of learning.

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5B: Urinary System