The Nervous System

The smallest functional unit of life.

• Cell

• Tissue

• Organ

• Organism

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A type of cell found in the nervous system that is specialized to transmit electrical impulses.

• Skin cell

• Bone

• Glands

• Neuron

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A group of organs in the body that work together to perform particular functions.

• Body system

• Tissue

• Organism

• Community

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The body system that allows an animal to sense and respond to its environment and control body functions, made up of the brain, spinal cord, nerves and sense organs.

• The Nervous System

• Organ

• Skin

• Hormone System

The brain and spinal cord. It receives information from the sense organs and organizes responses by the muscles and glands.

• Brain

• Central Nervous System

• Skin

• Peripheral Nervous System

The network of nerves that spread through the body and send messages between the sensory organs, central nervous system and the muscles and glands

• Brain

• Central Nervous System

• Skin

• Peripheral Nervous System

A type of neuron (nerve) that transmits messages from receptors to the central nervous system

• Motor Neuron

• Sensory Neuron

• Inter-neuron

• Hormone

A type of neuron (nerve) that transmits messages from sensory neurons to motor neurons. These Neurons are in the spine and brain.

• Motor Neuron

• Sensory Neuron

• Inter-neuron

• Hormone

A type of neuron (nerve) that sends messages from the central nervous system to muscles (motors) or glands.

• Motor Neuron

• Sensory Neuron

• Inter-neuron

• Hormone

Something that can have an effect on the nervous system, such as a smell, image or pain. Something you can detect with your Nervous System.

• Effector

• Response

• Stimulus

• Receptor

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