what is the difference between inhalation and exhalation?
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During inhalation, the lungs expand with air and oxygen diffuses across the lung's surface, entering the bloodstream. During exhalation, the lungs expel air and lung volume decreases. ... During inhalation, the diaphragm is contracted which increases the volume of the lung cavity.
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Ventilation is the movement of a volume of gas into and out of the lungs. Respiration is the exchange of oxygen and carbon dioxide across a membrane either in the lungs or at the cellular level.
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Amount of air that remains within lungs after a forced exhalation is called residual volume. ... The volume of air remaining in the lungs after a maximal expiratory effort. Dead space is the volume of a breath that does not participate in gas exchange.
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As verbs the difference between diffuse and infuse is that diffuse is to spread over or through as in air, water, or other matter, especially by fluid motion or passive means while infuse is to cause to become an element of something; to insert or fill.
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At rest, an adult breathes 12–15 times per minute, inhaling and exhaling 0.4–0.5 L of air with each breath. The breathed air is altered in some respects: The exhaled air contains less oxygen, but more car- bon dioxide and more water vapor than was inhaled.
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Cellular respiration is not the same thing as breathing, but they are closely related. When you breathe in, you take in the When you breathe in, you take in the oxygen your cells need for cellular respiration. When you breathe out, you get rid of the carbon dioxide that your cells produce during cellular respiration.
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Respiration is the process of breaking down of glucose to produce energy which is then used by cells to carry out the cellular function. Breathing takes place in the lungs. ... Breathing is a voluntary physical process. Respiration is an involuntary chemical process.
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Breathing is the process that moves air in and out of the lungs of terrestrial vertebrates, to take in oxygen and remove carbon dioxide. Aerobic organisms require oxygen to release energy via respiration, in the form of metabolized, energy-rich molecules such as glucose.
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Ventilation is the process that moves air into and out of the alveoli, and perfusion affects the flow of blood in the capillaries. ... External respiration refers to gas exchange that occurs in the alveoli, whereas internal respiration refers to gas exchange that occurs in the tissue.
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Breathing, or "external respiration", brings air into the lungs where gas exchange takes place in the alveoli through diffusion. The body's circulatory system transports these gases to and from the cells, where "cellular respiration" takes place.
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Breathing during ongoing speech, on the other hand, is characterised by very short inhalation periods and rather long exhalation periods. While speaking, we have to consider the amount of air in our lungs. If there's too little air, we can't finish what we intended to say and have to inhale again to continue.
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In addition, the blood contains some carbon dioxide (a waste product) that is transferred to the air in the lungs, which is then exhaled. The result is that the exhaled air contains less oxygen and more carbon dioxide than the inhaled air.
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What Are the Lungs and Respiratory System? The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
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["Inhalation and Exhalation Are Pulmonary Ventilation—That's Breathing. ... ", 'External Respiration Exchanges Gases Between the Lungs and the Bloodstream. ... ', 'Internal Respiration Exchanges Gases Between the Bloodstream and Body Tissues.']
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External respiration occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air. Internal respiration occurs in the metabolizing tissues, where oxygen diffuses out of the blood and carbon dioxide diffuses out of the cells.
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Inspiratory Capacity: The difference in inhaled volume between FRC and total lung capacity. Vital Capacity: The amount of gas inhaled from FRC to total lung capacity. Inspiratory Reserve Volume: The amount of gas inhaled from peak normal inspiratory volume to total lung capacity.
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Gas exchange is the intake of oxygen and the excretion of carbon dioxide at the lung surface. Oxygen moves into the blood and carbon dioxide moves out of the blood. Cell respiration is the process that releases energy from the food. It happens in all cells.