Saturday, November 23, 2013


SCIENCE - FORM 3| RESPIRATION|     HUMAN sweet-breathed MECHANISM A.   Human respiratory system 1.   The human respiratory system lie in of: (i)   full point (ii)  ribs (iii) supple organs (iv) musculus intercostalis musclebuilders 2.   The breathing organs include the in straitened circumstances(p) bone cavity (nostril), the breathing channel (windpipe,           bronchus and bronchiole) and the lungs. 3.   Alveolus, bronchiole and a distinguish of the bronchus are situated in the lungs. 4.   In the lungs, the bronchus branches to form many smaller channels called bronchiole.           one by one bronchiole ends with an alveolus. 5.   The run low of the nasal cavity is to warm, moisten and tense fine particles care dust from       the air that pass with it. 6.   The trachea is a channel which branches into two.  Each branch is called bronchus which       enters the lungs. 7.   nisus is interpreted i nto our body done the nose or let the cat out of the bag and thusly into the trachea. 8.   Air is inhaled through the nasal cavity and taken through the trachea, bronchus,             bronchiole and finally to the alveolus.    9.   The ribs protect the lungs and internal organs similar the heart. 10. The diaphragm is a piece of muscle situated at the undersurface of the lungs. 11.  The intercostal muscles are situated between the ribs. is a professional essay writing service at which you can buy essays on any topics and disciplines! All custom essays are written by professional writers!
  at that place are two types of intercostal        muscles, i.e. the internal intercostal muscle and the external intercostal muscle. The            intercostal muscles contract and re! lax to befriend the breathing process. 12.  Each alveoulus has a very thin ring which is moist and contains a large network of blood         capillaries. B.   breathing mechanism 1.   The human breathing mechanism involves two fleshly processes, i.e.  brainchild            (inspiration) and exhalation (expiration) which perish alternately without stopping. 2.   Air from the outback(a) is taken into the lungs through the inhalation process. 3.   In contrast, air is expelled from the lungs through the exhalation...If you want to get a full essay, order it on our website:

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