PsychologyHW2 (1) - Trinh Le Professor Cohen PSY 150 1 An...

Trinh Le
Professor Cohen
PSY 150
1. An extensive network of specialized cells that carry information to and from all parts of
the body is called the __Nervous System___.
2. The basic cell that makes up the nervous system and which receives and sends messages
within that system is called a __Neurons____.
3. The long tube-like structure that carries the neural message to the terminal buttons is the
___Axon____
4. On a neuron, the branch-like structures that receive messages from other neurons is the
___Dendrites_____.
5. The cell body of the neuron, responsible for maintaining the life of the cell and contains
the mitochondria is the ___Soma_____.
6. The fatty substances produced by certain glial cells that coat the axons of neurons to
insulate, protect, and speed up the neural impulse is the ___Myelin____.
7. The bundles of axons in the body that travel together through the body are known as the
__Nerves_____.
8. The charged molecules located inside and outside of the neuron are called _Ions___.
9. The state of charge of neuron when not sending a neural impulse is known as the
__Resting Potential__.
10. __All-or-none___ refers to the fact that a neuron either fires completely or does not fire at
all.