What is a stimulus?
Nervous system

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Biology
•
5th - 7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A stimulus is something that causes a reaction or response in an organism. It can be anything from a sound, light, or touch that triggers a sensory response.
2.
FLASHCARD QUESTION
Front
What is a response?
Back
A response is the reaction of an organism to a stimulus. It can be voluntary (like moving your hand away from a hot stove) or involuntary (like blinking when something comes close to your eyes).
3.
FLASHCARD QUESTION
Front
What is the central nervous system?
Back
The central nervous system (CNS) consists of the brain and spinal cord. It is responsible for processing information and controlling body functions.
4.
FLASHCARD QUESTION
Front
What is the role of the brain in the nervous system?
Back
The brain acts as the control center of the body, processing information and coordinating responses to stimuli.
5.
FLASHCARD QUESTION
Front
What is a sensory neuron?
Back
A sensory neuron is a type of neuron that carries information from sensory receptors (like those in the eyes and skin) to the brain.
6.
FLASHCARD QUESTION
Front
What is a motor neuron?
Back
A motor neuron is a type of neuron that carries signals from the brain and spinal cord to muscles, causing them to contract and produce movement.
7.
FLASHCARD QUESTION
Front
What is the function of the spinal cord?
Back
The spinal cord transmits signals between the brain and the rest of the body. It also coordinates reflexes.
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