What is breathing and what are the steps involved in it.
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Breathing In (Inhalation) When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand. The intercostal muscles between your ribs also help enlarge the chest cavity
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the process of involving sending fresh air to respiratory organ ( inhalation) and expelling of foul air from them ( expiration).
MECHANISM the breathing involved the alternate expansion and contraction of chest cavity. it is so bcoz anatomical set of lungs in thorax in such that any change in volume of thoracic cavity cause change in pulmonary cavity and intra pulmonary pressure.
THIS HELP IN BREATHING.
MECHANISM the breathing involved the alternate expansion and contraction of chest cavity. it is so bcoz anatomical set of lungs in thorax in such that any change in volume of thoracic cavity cause change in pulmonary cavity and intra pulmonary pressure.
THIS HELP IN BREATHING.
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