Practice: Starter: Application/Connection 177 Respiratory System Notes and Ws Respiratory System Notes and Ws 178 2/23/15 2/23/15 Starter: Application/Connection Complete Respiratory system worksheet and turn in Exit: Summarize your notes in 4-5 sentences.   Why do you think the respiratory system is important? Practice: Glue notes here when complete

1. Starter Notes’ Ws Exit February 23 2015 AGENDA Objective 7.12 B Identify the main functions of the systems of the human organism, including the, respiratory, system by completing Notes and A Ws

Table of Contents Date Lecture/ Activity/ Lab Page 2/17 Digestive System Notes and Ws 169-170 2/18 Exretory System Notes and Ws 171-172 2/19 Digestive System Corp Letter 173-174 2/20 Digestive System Lab 175-176 2/23 Respiratory System Notes and Ws 177-178

Respiratory System

1.Major Organs Nose Trachea (windpipe) Lungs Diaphragm

2. Nose Air enters your body at the nostrils or NASAL CAVITY in your nose.

3. Nasal Cavity’s Function In the nose, air is moistened by the mucus. It is warmed by contact with the blood. It is filtered or cleaned by mucus and hairs trapping dust particles.

4. Pharynx Another name: The voice box Passageway force air into the lungs and food into esophagus Important in vocalization

4. Trachea Another name:The windpipe Passageway for air to move to and from the respiratory system Rings of cartilage hold it open

5. Bronchi and Bronchioles The trachea branches into two tubes called Bronchi to carry air into the lungs. The Bronchi break up into smaller branches called bronchioles.

6. Lungs Main organs of the Respiratory System Where gas exchange occurs

7. Alveoli Tiny sacs that allow for gas exchange. This is where the respiratory system joins the circulatory system.

8. Gas Exchange oxygen changes place with carbon dioxide and water.

9. Diaphragm Large dome-shaped muscle When the diaphragm moves it causes you to inhale and exhale. Inhale – breathe in Exhale – breathe out

10. Function Moves oxygen into the body Removes carbon dioxide, water and wastes

11. Respiration the process by which oxygen and glucose (sugar) undergo a complex series of chemical reactions inside cells. This is basically how cells use oxygen to make energy from the glucose. The waste product from these reactions is water and carbon dioxide.

12. Maintaining Homeostasis Cells use the oxygen to make energy to perform their jobs. If the cells don’t have oxygen they can’t do their jobs so tissues and organs begin to die.

Practice: Starter: Application/Connection 177 Respiratory System Notes and Ws Respiratory System Notes and Ws 178 2/23/15 2/23/15 Starter: Application/Connection Complete Respiratory system worksheet and turn in Exit: Summarize your notes in 4-5 sentences.   Why do you think the respiratory system is important? Practice: Glue notes here when complete