During Inspiration, the Diaphragm Contracts and Flattens Leading to a Volume

question 68

True/False

During inspiration, the diaphragm contracts and flattens leading to a volume increase and pressure decrease in the thoracic cavity. Expiration involves the reverse process in which the diaphragm relaxes leading to a volume decrease and pressure increase in the thoracic cavity.

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Definitions:

Felsic Magma

Magma that is rich in silica and lighter elements, leading to lighter-colored rocks such as granite.

Source Region

Areas where air masses originate, having distinct temperature and humidity characteristics based on the underlying surface.

Tectonic Forces

Forces generated by the movement and interaction of the Earth's lithospheric plates, responsible for shaping the earth's surface.

Wall Rocks

The rocks surrounding an igneous intrusion or a mineral deposit.