Homeostasis by definition is the technical term for the process of maintaining a constant internal environment despite changes in the external environment. The internal environment comprises of blood‚ tissue fluid‚ body cell contents and all metabolic processes taking place inside the body. This process is essential to the survival of a person and to our species as a whole. The liver‚ the kidneys‚ and the brain (hypothalamus‚ the autonomic nervous system and the endocrine system) help maintain
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Review Sheet Results 7-1 1. What additional skeletal muscles are utilized in an ERV activity? In food expiration‚ abdominal wall muscles and the internal intercostal muscles contract. 2. What was the FEV1 (%) at the initial radius of 5.00 mm? 74% 3. What happened to the FEV1 (%) as the radius of the airways decreased? FEV1% decreased as the airway radius was decreased. 4. Explain why the results from the experiment suggest that there is an obstructive‚ rather than a restrictive‚ pulmonary
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Pleural membranes are for lubrication. * Intercostal muscles are used for breathing in and out. * Bronchi divides into two leading to both lungs. * Bronchioles carry air to alveoli. * Alveoli spherical structure for large surface are also thin‚ permeable and moist for gas exchange. Explain how breathing rate is controlled. * For every day breathing‚ the process is a passive activity. You don’t have to
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01. Anatomy of face lip and oral cavity Face: Nasal bone Oral cavity: 1. vestibule- b/w teeth& buccal gingiva and the lips & cheeks 2. oral cavity proper- b/w upper and lower dental arches Roof- palate Post. - oropharynx * When closed is fully occupied by the tongue Lip: o pars cutanea‚ rubbor labi‚ pars mocosa o oribicularis oris m. o Sup. & inf. Labial mm. vessels ‚ nerves Blood supply: Upper lip- sup. Labial branches < facial & infraorbital aa. Lower lip- inf. Labial branches
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Every cell in the body requires oxygen to survive. The primary function of the respiratory system is the exchange of gases. The respiratory system allows oxygen and carbon dioxide exchange‚ this is necessary to sustain life. During the process of breathing air is inhaled and carbon dioxide is exhaled‚ this change of gases occurs in the alveoli. The inhaled oxygen passes into the alveoli and then diffuses into arterial blood. The waste rich blood from the veins releases carbon dioxide into the alveoli
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1. The graph shows the pattern of breathing in a person sitting at rest. (a) (i) What is the name given to the volume of air labelled A? .......................................................................................................................... (1) (ii) Explain how you would calculate the volume of air taken into the lungs in one minute. .......................................................................................................................... ........
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treat stuttering‚ to help improve breath control leading to better rhythm and phrasing‚ correcting articulation‚ vocal nodules‚ dysphonia and several other voice disorders. This method relies on three strategies. The first being optimal abdomino-diaphragmatic breath support‚ the second is rhythmic play of accentuated relaxed vowels with progressive carry over to connected speech‚ and the third is dynamic rhythmic body and arm movements. These things automatically separate into three phases used in
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physiological reactions in order to consciously reduce your level of arousal * Diaphragmatic breathing – respiration from your abdomen * -Deep‚ slow‚ & rhythmic * -Natural antidote to stress * When stressed‚ breathing becomes quick‚ shallow‚ & irregular (F or F response) * Becomes habit for some people when stressed * Practicing Diaphragmatic Breathing * -5 minutes per day of conscious breathing for 3 weeks * -Hands Technique * -Book Technique * The
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list seven ways List seven ways of naming muscles‚ giving an example of each Name the principal axial muscles of the body and describe their origins‚ insertions‚ actions‚ and innervations. Name the principal appendicular muscles of the body and describe their origins‚ insertions‚ actions‚ and innervations. Compare and contrast the major muscle groups of the upper and lower limbs and relate their similarities and differences to their function. With over 700 muscles in the body‚ it can
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of glucose that we get in our food‚ mainly from carbohydrates such as bread‚ pasta and potatoes. Living cells cannot function without energy‚ which can then lead to death. To release the energy from glucose‚ oxygen is added (oxidise glucose) by breathing continuously to supply to the millions of cells that undertake cell respiration‚ this is also known as internal respiration. The rate that glucose is used at depends on the individuals’ metabolism (B.M.R). The basal metabolic rate depends on the
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