To Explain the Retrograde Motion of Planets, Ptolemy Introduced the Concept

question 55

Short Answer

To explain the retrograde motion of planets, Ptolemy introduced the concept of _______________.

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Definitions:

Diaphragm

A muscular and membranous partition separating the abdominal and thoracic cavities and plays a major role in breathing.

Dead Space

Areas in the respiratory system that do not participate in gas exchange, including the nasal cavities, trachea, and bronchi.

Lung Compliance

Lung compliance refers to the ease with which the lungs can be expanded, determined by the elastic resistance of the lung tissue and chest wall to stretching during inhalation.

Inspiratory Reserve Volume

The additional amount of air that can be inhaled after a normal inhalation, contributing to lung capacity.