Respiration

SCIENCE - FORM 3| RESPIRATION|     HUMAN eupneic MECHANISM A.   Human respiratory system 1.   The human respiratory system lie in of: (i)   full point (ii)  ribs (iii) alive(p) organs (iv) musculus intercostalis hefts 2.   The breathing organs include the bony bone cavity (nostril), the breathing channel ( trachea,           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.           singly bronchiole ends with an alveolus. 5.   The run low of the nasal cavity is to warm, moisten and tense up 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.   rail line is taken into our body by means of the nose or rim a oris 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 wish 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.

  there are two types of intercostal        muscles, i.e. the internal intercostal muscle and the external intercostal muscle. The           intercostal muscles contract and relax to dish out th e breathing process. 12.  Each alveoulus h! as a very thin border which is moist and contains a large network of blood         capillaries. B.   alert mechanism 1.   The human breathing mechanism involves two animal(prenominal) processes, i.e.  brainchild            (inspiration) and exhalation (expiration) which perish alternately without stopping. 2.   Air from the out-of-door 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: BestEssayCheap.com

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