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WorksheetsNeurons and Nervous System
Total questions: 25
Worksheet time: 15mins
What is the function of the nerve cells?
They act as a barrier to prevent substances from entering or exiting the body.
They transmit signals or messages to other neurons, muscles, organs or glands.
They transmit substances to your endocrine system to produce hormones.
What is the name of the part of the neuron that is pointed out in the image?
Myelin sheaths
Cell Body (Soma)
Axon
Dendrites
What is the name of the part of the neuron that is pointed out in the image?
Myelin Sheats
Axon
Dendrites
Cell Body (Soma)
What is the name of the part of the neuron that is pointed out in the image?
Myelin Sheats
Cell Body (Soma)
Dendrites
Axon
The extension that transmit electrical impulses from the som to other parts is:
Myelin Sheaths
Soma
Dendrites
Axon
Type of neuron that sends nerve impulses to muscles and gland, by the command of other neurons.
Motor Neurons
Interneurons
Sensory Neurons
Type of neuron located only in the brain and spinal cord that pass impulses from one neuron to another.
Motor Neuron
Interneuron
Sensory Neuron
Type of neuron that perceive information about your environment.
Motor Neuron
Interneuron
Sensory Neuron
TRUE or FALSE: All nerves have the same job. For example, they all carry messages to the brain
TRUE
FALSE
What other systems does your nervous system work with?
Circulatory
Respiratory
Skeletal
Muscular
Immune
What is the function of the nervous system?
to control and coordinate body functions and systems.
to protect the body from harm.
to identify pain and begin healing.
to break down food.
Which of the following is the nervous system?
What kind of cells make up the nervous system?
Plasma
Neurons
Blood Vessels
Spinal Cord
Select the INVOLUNTARY action.
Which of the following is NOT true of reflexes?
They are automatic and do not require consciousness.
Many, like the "pull away your hand" or "jerk your knee" reaction, originate in the spinal cord.
Most occur before you even think about it.
They originate in the brain and are voluntary.
Many are evolved reactions meant to keep the body safe.
Which of the following divisions of the nervous system controls voluntary behaviors?
Sympathetic
Parasympathetic
Autonomic
Somatic
Afferent
Mukucha's heart is beating rapidly, his pupils are dialated, and his mouth is dry. This response was triggered by which division of his nervous system?
Sympathetic
Parasympathetic
Somatic
Afferent
Peripheral
"Fight or flight" is mostly associated with which subdivision of the nervous system?
Somatic
Central
Sympathetic
Parasympathetic
Spinal
What part of a neuron receives messages from other neurons?
dendrite
cell body
axon
axon terminal
Which best describes myelin?
it is a neurotransmitter that triggers muscle contraction
it is a protein that builds the axon
it is a fat that speeds the message along the axon
it is a fat that helps the neuron "hear" messages
