From equipment point of view, the respiratory system in the human body is a _________ system.(a) hydraulic(b) pneumatic(c) mechanical(d) electricalI got this question by my college professor while I was bunking the class.I want to ask this question from Recording Electrodes topic in chapter Bioelectric Signal and Electrodes of Biomedical Instrumentation

From equipment point of view, the respiratory system in the human body

1.	From equipment point of view, the respiratory system in the human body is a _________ system.(a) hydraulic(b) pneumatic(c) mechanical(d) electricalI got this question by my college professor while I was bunking the class.I want to ask this question from Recording Electrodes topic in chapter Bioelectric Signal and Electrodes of Biomedical Instrumentation
Answer» The correct answer is (b) pneumatic The explanation is: Respiratory system is a pneumatic system in which an air pump (DIAPHRAGM) alternately creates negative and positive pressures in a SEALED chamber (thoracic CAVITY) and causes air to be sucked into and forced out of a PAIR of elastic bags (lungs). Blood circulatory system is related to HYDRAULIC system.

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