1. Essential Question: How do major organ systems work together in living organisms?
Standards:
S7L2d. Explain that tissues, organs, and organ systems serve the needs cells have for oxygen, food, and waste removal.
S7L2e. Explain the purpose of the major organ systems in the human body (i.e., digestion, respiration, reproduction, circulation, excretion, movement, control and coordination, and for protection from disease).
Instructional Approach(s): Review the essential question and the standards aligned to the essential question.

2. Why do Professional Football players breath pure oxygen on the sideline?
Instructional Approach(s): The teacher should tie this back to cellular respiration. What is the purpose of cellular respiration and what do cells need to conduct cellular respiration?

3. Respiratory System
Instructional Approach(s): Transition slide

4. Respiratory System
The role of the Respiratory System is to take in oxygen and release carbon dioxide from the body.
Instructional Approach(s): The teacher should present the slide while the students record the role of the Respiratory System on their graphic organizer page

5. Nose/Mouth Trachea Lungs Alveoli Diaphragm
Instructional Approach(s): The teacher should present the information on the slide while the students label the diagram on their graphic organizer sheet
Alveoli
Diaphragm

6. Trachea
Instructional Approach(s): The teacher should present the information on the slide while the students record information about the Trachea on their graphic organizer sheet
connects the mouth and throat to the lungs (commonly known as the windpipe)

7. Take in oxygen and expel carbon dioxide as we breathe
Lungs
Take in oxygen and expel carbon dioxide as we breathe
Instructional Approach(s): The teacher should present the information on the slide while the students record information about the Lungs on their graphic organizer sheet

8. Where the exchange of oxygen and carbon dioxide occur in your blood
Alveoli
Where the exchange of oxygen and carbon dioxide occur in your blood
Instructional Approach(s): The teacher should present the information on the slide while the students record information about the Alveoli on their graphic organizer sheet. Show the short video linked at the bottom of the slide

9. Diaphragm a large dome-shaped muscle under the lungs
diaphragm contracts downward, creating a vacuum that causes a rush of fresh air into the lungs
Instructional Approach(s): The teacher should present the information on the slide while the students record information about the Diaphragm on their graphic organizer sheet

10. Instructional Approach(s): The teacher should show the image of the organs of the Respiratory System