Nervous System

Which is the best description of the human nervous system?

• the network of nerve cells and fibers that transmits nerve impulses between parts of the body

• the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands

• the group of organs working together to convert food into energy and basic nutrients to feed the entire body

A specialized cell transmitting nerve impulses, also called a nerve cell is a

• axom

• neuron

• synapse

Glia perform what function?

• Protect neurons

• Provide support for neurons

• Provide nourishment to neurons

• All of the above

What are five basic parts of a neuron?

• Dendrite, mitochondria, mitosis, nucleus, axon

• Dendrite, cell body, axon, axon sheath, axon terminal

• Dendrite, cell body, blood vessel, brain, spinal cord

Neurons travel and communicate with each other in a process called

• Synaptic Transmission

• Information Carriage

• Information Body Travel

Chemicals in our bodies that act as messengers

• neurons

• opiods

• neurotransmitters

True or false: Some neurotransmitters speed messages to the brain, while some neurotransmitters slow down messages.

• True

• False

The following are all neurotransmitters except

• Dopamine

• ACH

• Glia

• Gaba

The following are all true of endorphins (the happy hormones) except

• Assist in regulating eating behavior

• Released in response to pain and intense exercise

• Released in response to stress

• Released with nicotine intake

The part of the neuron that receives messages from other neurons

• axon
• dendrite
• cell body
• Schwann cell