Basic Physiology Vocabulary

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Reflex

Back

An automatic response to a stimulus that does not require conscious thought.

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Sensation

Back

The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment.

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Nerves

Back

Bundles of fibers that transmit impulses of sensation to the brain or spinal cord, and impulses from these to the muscles and organs.

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Homeostasis

Back

The tendency of a system, especially the physiological system of higher animals, to maintain internal stability.

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Stress

Back

A state of mental or emotional strain or tension resulting from adverse or demanding circumstances.

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Physiology

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The branch of biology that deals with the normal functions of living organisms and their parts.

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Stimulus

Back

A thing or event that evokes a specific functional reaction in an organ or tissue.

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Senses

Back

The physiological capacities of organisms that provide data for perception.

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Perception

Back

The process of recognizing, organizing, and interpreting sensory information.

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Endocrine

Back

Relating to or denoting glands that secrete hormones or other products directly into the blood.