What is the volume of air moved into and out of the lungs in a single breath during unforced breathing called?

A) tidal volume
B) total lung capacity
C) minute ventilation
D) functional residual capacity
E) vital capacity


Answer: A) tidal volume

Biology & Microbiology

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When insulin is secreted from the pancreas and acts on muscle cells to increase glucose uptake, this is an example of ____.

A. autocrine signaling B. direct intercellular signaling C. paracrine signaling D. endocrine signaling E. contact-dependent signaling

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The indirect ELISA test detects ______ in a patient's blood.

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An intimate relationship between two different species is called

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