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The human body cells need oxygen in order to function and the respiratory system allows this to happen. Consisting of air passages‚ pulmonary vessels‚ the lungs and breathing muscles‚ it supplies fresh oxygen to the blood which can be fed to other parts of the body. The ribs‚ rib muscles and diaphragm all play a part in allowing air into and out of the lungs‚ (oxygen going into the body and carbon dioxide leaving the body). This is known as ventilation. When we breathe in we inhale and when we
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Assessing Blood Pressure Anatomy of the Heart The heart is located in the thoracic cavity between the lungs within the mediastinum. It is a hollow‚ cone-shaped‚ muscular organ about the size of a fist. Functions of the Heart keeps O2-poor blood separate from O2-rich blood; keeps the blood flowing in one direction—blood flows away from and then back to the heart in each circuit; creates blood pressure‚ which moves the blood through the circuits; Regulates the blood supply based on
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nervous system (CNS). The substance may be toxic to kidneys‚ the reproductive system‚ liver‚ skin. Repeated or prolonged exposure to the substance can produce target organs damage. . aniline Hazardous in case of skin contact (irritant‚ permeator)‚ of eye contact (irritant)‚ of ingestion‚ of inhalation. Severe overexposure can result in death. Slightly hazardous in case of skin contact (sensitizer). The substance may be toxic to blood‚ kidneys‚ liver‚ bladder‚ spleen‚ cardiovascular system‚ central
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Inspiration/ inhalation is the first half of the respiratory cycle where breath is drawn. Several muscles in the respiratory system contribute to the process of inhalation. However‚ the diaphragm and the external and internal intercostals are the primary muscles of inhalation. The diaphragm originates at ribs 7 through 12‚ the xiphoid process‚ and the first 3 lumbar vertebrae. The diaphragm inserts on its’ central tendon which it pulls down and forwards through contraction in order to increase the
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Energy and Metabolism P4:.2. Explain the role of the respiratory system in energy metabolism by referring to- a) Inhalation and exhalation. b) Gaseous exchange between alveoli and blood. The respiratory system takes oxygen (O2) into the body and eliminates carbon dioxide (CO2). It also enables speech production. Our bodies need energy for movement‚ growth and reproduction. This energy can only be obtained from the food we eat. By the process of respiration‚ chemicals of food are eliminated
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is a cough reflex? Describe that process that Cari’s respiratory system is using to clear her lungs by coughing? When you cough it clears sputum and other particles that are not supposed to be there. When there is too much mucus your body wants it out so it starts a coughing reflex. (Tortora‚ 2013) 3. Which structures found in the terminal bronchioles and alveoli normally would
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foam‚ but is 98 percent bio-based. At 100 degrees Celsius (212 degrees Fahrenheit)‚ the milk-containing foam lets out a few drops of water. But the foam stays sturdy up to 200 degrees Celsius (392 degrees Fahrenheit). (news.discovery.com) - In conclusion‚ the new material is strong enough to be used in commercial uses. - In biodegradability‚ Styrofoam appears to last forever‚ as it is resistant to photolysis‚ or the breaking down of materials by protons originating from a light source. But in
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A. I am going to talk about bronchitis. This condition is related to chapter 23‚ the respiratory system. B. Bronchitis is an illness related to the respiratory system in which our ability to breath gets affected because of an inflammation of the mucous membrane in the bronchial tubes. Two different stages of the disease can be presented; the acute‚ which is a short-term chest cold‚ or the chronic‚ in which the inflammation persist and remains as a daily chough becoming a more serious condition that
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of respiration in man and toad using suitable diagrams BY: Nwaezeigwe Franklin The Process of Respiration in Man The Respiratory system in Man: The human respiratory system is typical of the respiratory systems of mammals in general. It includes the nasal passages or nostrils‚ the pharynx‚ the larynx‚ the bronchi and the lungs. The respiratory system starts with the nose that encloses the nasal cavity. The nasal cavity opens outside through the openings called the nostrils. The nasal
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