Sensory Receptors-Internal and External Stimuli

Front

What are sensory receptors?

Back

Sensory receptors are specialized cells that detect and respond to internal and external stimuli, allowing organisms to perceive their environment.

Front

What is the difference between internal and external stimuli?

Back

Internal stimuli originate from within an organism's body (e.g., hunger, thirst), while external stimuli come from the environment (e.g., light, sound).

Front

True or False: Internal stimuli are cues that originate from within an organism's body.

Back

True

Front

What is an example of an internal stimulus in humans?

Back

Thirst is an example of an internal stimulus.

Front

Which of the following is NOT a response to high temperatures in dogs? (drinking, panting, shedding, shivering)

Back

Shivering is NOT a response to high temperatures in dogs.

Front

What is an external stimulus that might cause a dog to bark?

Back

A loud noise is an external stimulus that might cause a dog to bark.

Front

What is homeostasis?

Back

Homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions.

Front

How do humans respond to cold temperatures?

Back

Humans may respond to cold temperatures by shivering, moving to a warmer place, or wearing more clothing.

Front

What role do sensory receptors play in responding to stimuli?

Back

Sensory receptors detect stimuli and send signals to the brain, which processes the information and triggers appropriate responses.

Front

What is an example of an external stimulus?

Back

Light is an example of an external stimulus.