Nerve impulses are also called, what?
Action potentials
Invertebrates have one or more what behind a brain?
Ganglia
What does CNS mean?
Central nervous system
True or False
Invertebrates can not adapt to survive in their enviroments because they do not have a brain?
False
What has to be broken to use it?
an egg
Nerve cells are called?
Ganglia are connected to the first ganglion by a…?
Double nerve cord
What does PNS Stand for?
Peripheral nervous system
What are starfish sensitive to?
Touch, light, orientation, and temp of water
Im tall when im young and short when im old. What am i?
a candle
Messages, or nerve impulses, are received by the…?
Dendrites
Double nerve cords help control muscles needed for….?
Jumping, walking, crawling, and flying
Where does the nervous system of vertebrates always run along?
Dorsal side of the body
The Brain
I shave everyday, but my beard stays the same. What am I?
A barber
Physical and chemical changes the nervous system responds, is called?
Stimuli
Where is the brain located above?
Above the pharynx
What does the central nervous system do?
It is known as the command station
Cnidarians do not have a what?
Brain or ganglion
The dictionary
The nerve impulse is then transmitted down the…?
Axon
what chemical receptors are along the entire body surface?
Touch, light, and vibration
What is the purpose of the Peripheral nervous system?
Sends Info gathered by body‘s sensory receptors to the CNS
What helps the animal work it’s tenticals and move through the environment?
The nerve net
What goes all the way around the world but stays in a corner?
Circular logic