1. HW: Respiratory Framed Story Handout. Sherlock #17-20 due Friday
HW: Respiratory Framed Story Handout. Sherlock #17-20 due Friday. Respiration Quiz next Tuesday!
Do Now: /4/17
Take out your homework to be checked.
Complete the True and False handout on the Lungs

2. True and False : The Lungs - Answers
___ We inhale because the air pressure inside the chest cavity is less than outside the body.
___ The lungs are composed of hundreds of tiny air sacs, called alveoli.
___ Air enters the nose or mouth and passes into the trachea.
___ The diaphragm moves upward during inhalation.
___ The muscles attached to the ribs make the chest cavity enlarge when we inhale.
___ Oxygen is absorbed into the bloodstream in the trachea.
___ The bronchial tubes branch off from the trachea like an upside-down letter Y
___ We exhale to remove excess oxygen from the lungs
___ The rib cage moves in and down when we exhale.
___ We exhale because the air pressure inside the chest cavity is greater than outside the body. T T T F T F T F T T

3. Respiration Homework Answers

5. Respiration Guided Notes

8. Structures and Functions
Read and highlight as we go over the structures and functions together.
**ADD TO YOUR NOTES SHEET**
Alveoli- grape like structures that are surrounded by capillaries and needed for gas exchange *Site of Diffusion/Gas Exchange
-As you inhale, the diaphragm moves down and contracts.
-As you exhale, the diaphragm moves up and relaxes

11. Brain Pop!

12. Begin your HW!
If you have extra time, you may QUIETLY begin filling in your Respiratory System Story Homework handout!