What is a chemical stimulus?

chemical stimulus. A chemical (liquid, gaseous, or solid) that is capable of evoking a response. See also: stimulus.

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Simply so, what do you mean by stimuli?

-lī′) Physiology Something that can elicit or evoke a physiological response in a cell, a tissue, or an organism. A stimulus can be internal or external. Sense organs, such as the ear, and sensory receptors, such as those in the skin, are sensitive to external stimuli such as sound and touch.

Also, what is a stimulus in biology? Stimulus is a word often used in biology — something that causes a reaction in an organ or cell, for example. In financial and economic contexts, a stimulus may be an incentive: the money you spend on your membership is a stimulus for hitting the gym.

what is a stimulus example?

noun. Stimulus is something that causes a reaction, especially interest, excitement or energy. An example of stimulus is a shiny object for a baby. An example of stimulus is an influx of cash into the economy that is designed to help the economy to gain momentum or energy.

What is the response to a stimulus called?

In physiology, a stimulus (plural stimuli or stimuluses) is a detectable change in the physical or chemical structure of an organism’s internal or external environment. The ability of an organism or organ to respond to external stimuli is called sensitivity.

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