Respuesta :
The chemical regulation of respiration comprises with the hydrogen ion content of the respiratory neurons which in turn is dependent upon the carbon dioxide tension of the blood and the rate of flow of blood through the medulla (brain stem).
The neural control of respiration comprises to functional interactions between networks of neurons which regulate lungs movements , airways and chest wall and abdomen, in order to carry out
1. effective organism uptake of oxygen and ejections of carbon dioxide, airway liquids and irritants.
2. regulation of blood pH.
What is respiration?
Respiration is defined as the movement of oxygen from the outside environment to the cells and the exhalation of carbon dioxide in the to the environment from the body tissues.
Two separate neural mechanisms regulate respiration. First is responsible for voluntary control and the second is for automatic control. The voluntary system is present in the cerebral cortex and forwards impulses to the respiratory motor neurons by the corticospinal tracts.
The automatic system is carried by a group of pacemaker cells in the medulla (brain stem). Signals from these cells activate motor neurons in the cervical and thoracic spinal cord that twisted inspiratory muscles.
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