Question

Any change in the environment that results in a change in activity of the body is known as _______.

• A. stimulus
• B. response
• C. impulse
• D. Effector

Answer 1

The correct option is A stimulus

Any change in the environment that results in a change in activity of the body is known as a stimulus.

$\bullet$ Response $\to$ The activity of body due to the stimulus.

$\bullet$ Impulse $\to$ A wave of electrical disturbance that runs through the nerves.

$\bullet$ Effector $\to$ Any muscle or gland which acts in response to impulses received from the brain.