Nervous System/senses Flashcards

Front

Nervous system

Back

Part of body that takes in information and sends messages to aid survival.

Front

Stimulus

Back

A trigger (change) that causes a response.

Front

Neurons

Back

Cell of nervous system; has dendrites, cell body, axon.

Front

Dendrite

Back

Part of neuron that receives messages.

Front

Cell body

Back

Area of cell that holds organelles.

Front

Axon

Back

Part of neuron that sends messages.

Front

Motor neuron

Back

Nerve cell of body that causes movement (e.g., a muscle).

Front

Sensory neuron

Back

Part of PNS; gets sensory input and sends message to brain.

Front

Neurotransmitter

Back

Chemical that moves the message of one neuron across the nerve gap.

Front

Synapse

Back

Space between neurons; message sent by neurotransmitters.