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Presentation on theme: "Copyright of www.makemegenius.com, for more videos,visit us. www.makemegenius.com– Full of ingredients to make your child a genius. “Don’t make me read,"— Presentation transcript:

1 Copyright of www.makemegenius.com, for more videos,visit us. www.makemegenius.com– Full of ingredients to make your child a genius. “Don’t make me read, make me understand “

2 Copyright of www.makemegenius.com, for more videos,visit us. Respiratory System

3 Copyright of www.makemegenius.com, for more videos,visit us. Human Respiratory System Figure 10.1

4 Copyright of www.makemegenius.com, for more videos,visit us. Components of the Upper Respiratory Tract Figure 10.2

5 Copyright of www.makemegenius.com, for more videos,visit us. Passageway for respiration Receptors for smell Filters incoming air to filter larger foreign material Moistens and warms incoming air Resonating chambers for voice Upper Respiratory Tract Functions

6 Copyright of www.makemegenius.com, for more videos,visit us. Components of the Lower Respiratory Tract

7 Copyright of www.makemegenius.com, for more videos,visit us. Functions: Larynx: maintains an open airway, routes food and air appropriately, assists in sound production Trachea: transports air to and from lungs Bronchi: branch into lungs Lungs: transport air to alveoli for gas exchange Functions of Lower Respiratory Tract

8 Copyright of www.makemegenius.com, for more videos,visit us. Gas Exchange Between the Blood and Alveoli

9 Copyright of www.makemegenius.com, for more videos,visit us. Respiratory Cycle

10 Copyright of www.makemegenius.com, for more videos,visit us. Measurement of Lung Capacity

11 Copyright of www.makemegenius.com, for more videos,visit us. Regulation of Breathing

12 Copyright of www.makemegenius.com, for more videos,visit us. Carotid and aortic bodies: sensitive to carbon dioxide, pH, and oxygen levels Conscious control: resides in higher brain centers; ability to modify breath is limited Regulation of Breathing: Nervous System Involvement

13 Copyright of www.makemegenius.com, for more videos,visit us. Reduced air flow: asthma, emphysema, bronchitis Infections: pneumonia, tuberculosis, botulism Lung cancer Congestive heart failure Cystic fibrosis Disorders of Respiratory System

14 Copyright of www.makemegenius.com, for more videos,visit us. Inspiration/Expiration: air in/air out Cycle: Relaxed state: diaphragm and intercostals muscles relaxed Inspiration: diaphragm contracts, pulling muscle down, intercostals muscles contract elevating chest wall and expanding volume of chest, lowering pressure in lungs, pulling in air Expiration: muscles relax, diaphragm resumes dome shape, intercostals muscles allow chest to lower resulting in increase of pressure in chest and expulsion of air Process of Breathing: Pressure Gradient

15 Copyright of www.makemegenius.com, for more videos,visit us. Lung volumes and vital capacity Tidal volume: volume of air inhaled and exhaled in a single breath Dead space volume: the air that remains in the airways and does not participate in gas exchange Vital capacity: the maximal volume that can be exhaled after maximal inhalation Inspiratory reserve volume: the amount of air that can be inhaled beyond the tidal volume Measurement of Lung Function

16 Copyright of www.makemegenius.com, for more videos,visit us. Thanks Submitted by Ashish Noida

17 Copyright of www.makemegenius.com, for more videos,visit us. If you also want to share your own or your kid’s presentation(ppt) please send it on info@makemegenius.com

18 Copyright of www.makemegenius.com, for more videos,visit us. www.makemegenius.com– Full of ingredients to make your child a genius. “Don’t make me read, make me understand “


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