1) Tiny hairs called cilia protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air. a) TOGETHER WITH THE BREATHED AIR..... b) IN ADDITION TO THE NASAL PASSAGEWAYS,...... 2) The virus of the Bronquiolitis is transmitted from person-to-person by direct contact with nasal secretions or by airborne droplets. a) IF ONE PERSON GETS IN TOUCH..... b) THERE ARE..... 3) Bronchiolitis begins as a mild upper respiratory infection that, over a period of 2 to 3 days, can develop into increasing respiratory distress with wheezing cough. a) THE DEVELOPMENT OF AN INCREASING RESPIRATORY DISTRESS AND..... b) AFTER..... 4) Cilia lining the nose and other parts of the upper respiratory tract move back and forth, pushing foreign matter that comes in with air (like dust) either toward the nostrils to be expelled or toward the pharynx. a) THANKS TO THE..... b) AS A RESULT OF..... 5) Once in the bloodstream, oxygen gets picked up by a molecule called hemoglobin in the red blood cells. This oxygen-rich blood then flows back to the heart, which pumps it through the arteries to oxygen-hungry tissues throughout the body. a) THE OXYGENATED BLOOD, AFTER..... b) THE HEMOGLOBIN..... 6) Most cases of bronchiolitis are not readily preventable because the viruses that cause the disorder are common in the environment. Careful attention to hand washing, especially around infants, can aid in the prevention or spread of respiratory viruses. a) AS REGARDS PREVENTION,..... b) DUE TO..... 7) When excess glucose builds up in the bloodstream, the body will extract fluid from tissues. This can lead to excessive thirst and the need to drink and urinate more. a) DUE TO..... b) THE INCREASE IN..... 8) All cells experience changes with aging. They become larger and are less able to divide and reproduce. Among other changes, there is an increase in pigments and fatty substances inside the cell (lipids). a) SINCE..... b) AGING..... 9) Because of cell and tissue changes, your organs also change as you age. Aging organs gradually but progressively lose function, and there is a decrease in the maximum functioning capacity. a) THE LOSS IN FUNCTION AS WELL AS..... b) THERE IS A GRADUAL AND..... 10) Most heart attacks are caused by a blood clot that blocks one of the coronary arteries. The coronary arteries bring blood and oxygen to the heart. a) THE BLOCKAGE OF..... b) WHEN..... 11) Chest pain​ is a major symptom of heart attack. However, some people may have little or no chest pain, especially the elderly and those with diabetes. a) DIABETIC AND..... b) IN SPITE OF..... 12) In hyperplasia the number of cells increases. It usually occurs in an attempt to compensate for loss of cells. It allows some organs and tissues to regenerate. a) IN ADDITION TO..... b) THE REGENERATION.....

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