Respiratory System

Discover Activity Page 112

Respiratory System Gases  What do you already know about the Function of Respiratory System?  What gases are exchanged by the respiratory system?  What do you think happens in the body when a person holds his or her breath?

Respiratory System Function  Respiration to obtain and use oxygen to get rid of carbon dioxide and water

Respiratory System  2 parts Breathing  moving air in and out Cellular Respiration

 C 6 H 12 O 6 + O2 CO2 + H2O + ATP  Glucose and oxygen makes carbon dioxide, water and energy  Happens in the Mitochondria of the Cell

Working Together  Respiratory system, Digestive system and Circulatory system  page 114

Air Flow through the System

How Lungs Work.

Process of Breathing  Inhalation Lung volume increases Diaphragm contracts/flattens Ribcage moves up and out Air flows in

Process of Breathing  Exhalation Lung volume decreases Diaphragm relaxes/moves upward Ribcage back to normal position Air flows out

Breathing and Speaking  Larynx Voice box Located at top of trachea  Vocal cords Air rushes through opening Vibration creates sound

If you went to Madura and you are getting notes for Friday, Stop Here. Hope you had a good trip :)

Smoking and Your Health

Three major chemicals  Nicotine addictive chemical  Tar  Carbon Monoxide

Nicotine Effects  Brain  Lungs  Heart  Stomach  Intestines  Bladder

Effects of Tobacco on the Body Health Book Pages

Mainstream smoke  smoke that is inhaled directly into the mouth through a cigarette, pipe, or cigar

Sidestream Smoke  smoke that enters the environment from burning tobacco  Passive Smoker exposed to sidestream smoke

2 Kinds of Diseases  Chronic Bronchitis  Emphysema  Cancer  Cardiovascular Disease

Smokeless Tobacco  Chewing Tobacco page 290  Cancer of the mouth (tongue, cheek or gums)  Cancer of the throat

Why do people start  Peer Influence  Parent Example  Advertising  Others?

Four reasons not to start  Dangerous (unhealthy)  Expensive  Unpleasant odor  Unattractive

Case Study #2 You are at the mall and are offered free cigarettes. Your friends want to try them. Use the 5 C’s to make a choice about whether you will join them or abstain.

Breathing Emergencies Help someone who is Choking Rescue Breathing

Help someone who is Choking  Place thumb side of fist against middle of abdomen just above navel.  Grasp fist with other hand.  Give quick, upward, thrusts.  Repeat until object is coughed up or person becomes unconscious.

Rescue Breathing If air won’t go in?