Why Was the Discovery of Endolithic Bacteria of Great Interest

question 44

Essay

Why was the discovery of endolithic bacteria of great interest to NASA scientists seeking life on Mars?

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Definitions:

Anatomic Dead Space

The portion of the respiratory system that conducts air but does not participate in gas exchange, including the nose, trachea, and bronchi.

Anatomic Dead Space

The portion of the respiratory system where gas exchange does not occur, including the trachea and bronchi.

Alveolar Dead Space

is the portion of the respiratory system where alveoli are ventilated but not perfused with blood, thus not participating in gas exchange.

Tidal Volume

The volume of air that is inhaled or exhaled in a normal breath at rest.