fun facts!
approxomitly how many nerve cells do we have in our body
around 86 billion
What are electrical signals?
Neurons send and receive these quick signals.
What is the soma?
the 'body' of the neuron
What is a brain
Neurons help you think and remember using this organ.
Dendrites receive _______.
messages
what is another way to say nerve cell
neuron
What is a synapse?
This tiny gap between neurons is where chemical messages cross.
What is the axon?
This long part sends messages away from the neuron.
What are motor neurons?
This part of your body sends messages to your muscles.
The soma is the _______ of the neuron.
body
how long is the longest nerve cell
it goes from your spine to your toes
What are body functions / movements?
Neurons help you do these everyday actions like thinking and moving.
What are neurotransmitters?
These tiny chemicals carry messages between neurons.
What is the myelin sheath?
The fatty covering that helps signals move faster.
he axon is like a long _______.
tail or wire
Do Neurons ever touch each other
Neurons never touch each other
what is the purpose of a dendrites
picks up information from other neurons like a radio
What are messages?
Neurons carry these fast signals.
What are axon terminals?
The branching ends of the axon.
Neurons talk to each other across a _______.
synapse
how often do neurons get replaced
most neurons stay with you your entire life.
What is a sensory neuron?
This type of neuron helps you feel heat, pain, or pressure.
What is move?
Neurons help you do this with your body.
What is the brain?
the organ with the most neurons
The brain has _______ of neurons.
millions/billions