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Human respiration by lalit
 

Human respiration by lalit

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    Human respiration by lalit Human respiration by lalit Presentation Transcript

    • HumanRespirationA Presentation by Lalit XF
    • Students will be able to:• Define Human Respiration• Monitor the Respiratory Cycle• Determine the effect of holding of breath on the respiratory cycle• Determine the effect of re-breathing of air on the respiratory cycle.
    • What is Human Respiration?• The human respiratory system allows one to obtain oxygen, eliminate carbon dioxide.• Breathing consists of two phases, inspiration and expiration – Inspiration- the process of taking in air – Expiration- the process of blowing out air
    • Organs in the Respiratory System STRUCTURE FUNCTION warms, moistens, & filters air as it isnose / nasal cavity inhaled pharynx (throat) passageway for air, leads to trachea the voice box, where vocal chords are larynx located keeps the windpipe "open" trachea is lined with fine hairs calledtrachea (windpipe) cilia which filter air before it reaches the lungs two branches at the end of the trachea, bronchi each lead to a lung a network of smaller branches leading from bronchioles the bronchi into the lung tissue & ultimately to air sacs the functional respiratory units in the lung alveoli where gases are exchanged
    • Malfunctions & Diseases of the Respiratory System severe allergic reaction asthma characterized by the constriction of bronchioles inflammation of the lining of bronchitis the bronchioles condition in which the alveoli emphysema deteriorate, causing the lungs to lose their elasticity condition in which the alveoli become filled with fluid, pneumonia preventing the exchange of gases irregular & uncontrolled lung cancer growth of tumors in the lung tissue
    • Respiratory Cycle• Respiration rate is the number of breaths per minute• Human respiration rate is controlled by a part of the brain called the medulla – Sends signals to adjust levels of oxygen present in your body by changing your breathing rate
    • Lab experiment
    • THE ENDTHANK YOU