AIM: How does your Body’s Respiratory System function to Maintain Bodily Homeostasis? DO NOW 1.What is breathing? Why is it important for the body? 2.What are some body parts that help you breathe?
Respiratory System Function Function: to take in oxygen (O 2 ) & expel carbon dioxide (CO 2 ) as we breathe!
Respiratory System Notes
Bronchioles & Alveoli
Alveolus Gas Exchange
Diaphragm Muscle that controls breathing Contracts Inhalation (Lungs fill up with air) Relaxes Exhalation (Air is released)
Inhalation & Exhalation
Video ms/respiratorysystem/ ms/respiratorysystem/
Group Activity In groups of 4, describe your trip as an oxygen molecule, going from being in the air to the respiratory system and, finally, a person’s body tissues. Next, put it in reverse. As a carbon dioxide molecule, describe your trip from the body’s tissues to the outside air.
Group Activity In groups, work on completing the handout with questions on the respiratory system video. (10 Questions)
Individual Activity Q: How is respiration different from breathing?
Homework Complete the Brain-Pop Vocabulary Sheet Define the words!