Presentation on theme: "Your Respiratory System Page 236"— Presentation transcript:
1Your Respiratory System Page 236 Chapter 8 Lesson TwoYour Respiratory System Page 236
2Body cells use oxygen to make energy from food. You Need Oxygen to LiveYour respiratory system ensures that your body gets the oxygen it needs.respiratory system The organs that supply your blood with oxygenOxygen gets into the body by breathing in.Body cells use oxygen to make energy from food.
3Parts of Your Respiratory System The main parts of the respiratory system are:MouthNoseTracheaAir enters your body through your nose and mouth.Celia are tiny, hair-like structures in your nose that trap dirt particles from the air you breath.The trachea is also called the windpipe.trachea A passageway in your throat that takes air into and out of your lungs
4Parts of Your Respiratory System The main parts of the respiratory system are:EpiglottisBronchiepiglottis A flap of tissue in the back of your mouth that keeps food out of your tracheaAs you breathe out, your body rids itself of carbon dioxide, a gas that is produced when cells burn oxygen.bronchi Two passageways that branch from the trachea, one to each lung
5Parts of Your Respiratory System The main parts of the respiratory system are:LungsDiaphragmlungs Two large organs that exchange oxygen and carbon dioxidediaphragm A large, dome-shaped muscle below the lungs that expands and compresses the lungs, enabling breathing
8Problems of the Respiratory System Tobacco smoke, chemicals, germs, and air pollution are all harmful to your health because they can damage the many parts of the respiratory system.Tobacco use does not cause all the problems that can affect your respiratory system, but it can make many of these problems worse.
9Problems of the Respiratory System Disease or DisorderDescriptionAsthmaDisorder in which airways narrow.Cold / FluIllnesses caused by viruses.EmphysemaDisease in which alveoli lose their ability to stretch.Lung CancerUncontrolled growth of cells that reproduce abnormally in the lungs.Mouth and Tongue CancerUncontrolled growth of cells in the mouth and tongue. Almost always caused by tobacco use.PneumoniaBacterial or viral disease that affects the lungs.TuberculosisBacterial disease that affects the lungs.Treatments for these diseases or disorders include:Asthma: Medication to relieve symptoms; avoiding activities or substances that trigger attacks.Cold / flu: Bed rest and liquids; vaccines can prevent some types of fluEmphysema: No known cure; pure oxygen can make breathing easierLung cancer: Surgery, radiation, chemotherapy; survival rates are veryMouth and tongue cancer: Surgery, radiation, chemotherapy; survival rates are very low if it spreadsPneumonia: Antibiotics for bacterial type; bed rest for viral typeTuberculosis: Antibiotics
10CancerHealthy LungClick to add notesCancerous Lung
11Cancer Smoking Mouth Cancer Throat Cancer Lung Cancer Kidney Cancer All tobacco products contain substances that can cause cancer.Mouth CancerThroat CancerLung CancerKidney CancerBladder Cancer
12Cancer Smokeless Tobacco Mouth CancerHead CancerNeck CancerOne-half to three quarters of smokeless tobacco users develop mouth sores, or ulcers. These sores can disappear if the user quits. Quitting the use of smokeless tobacco reduces the risk of developing mouth cancer.The smokeless tobacco user has a higher risk of developing cancer than a smoker does.
13Tips for Taking Care of Your Respiratory System Avoid tobacco use.Stay away from people who smoke. Don’t go places where the air is smoky.Take care of your body when you have a cold, the flu, or any respiratory illness.Drink plenty of fluids.Take deep, full breaths.Eat a healthful diet.Get outside and breathe fresh air.Pay attention to any allergy alerts, ozone alerts, and pollution alerts in your area.Be physically active on a regular basis.Your whole body depends on a healthy respiratory system. Here are some positive health practices that can help keep your respiratory system healthy.