_______ connect the sense organs to the brain.
Cranial nerves
Peripheral nerves
Spinal nerves
None of these
The brain stem is also known as _____.
Cerebrum
Cerebellum
Medulla oblongata
Spinal cord
Spinal cord controls ________ action.
Stimulus
Reflex
Voluntary
A neuron has a main cell called _______.
Cyton
Dendrites
Myelin sheath
Axons
________ are the short thin extensions which carry information towards the cell body and axon.
Axon
An electrochemical wave that moves through the nerves are called _____
Reflex action
Neuron
Coordination
Impulse
Stimuli that arise within the organism are called ______.
Internal stimuli
External stimuli
Irritability
______ is the part of the brain that coordinates voluntary muscle activities.
Both A and B
________ is the largest region of the brain.
Reflex actions are _____ actions.
Involuntary
Quick
