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WorksheetsThe Nervous System
Total questions: 34
Worksheet time: 34mins
What is the main function of the nervous system?
to inhale oxygen and exhale carbon dioxide
to break down food consumed by a person for nutrients
to control the body's activities by relaying messages
to control the body's movements
What are the two divisions of the nervous system?
Central and Lower nervous systems
Central and Peripheral nervous systems
Lower and Cerebral nervous systems
Central and Muscular nervous systems
What are the three parts of the nervous system?
brain, spinal cord, nerves
brain, lungs, spinal cord
heart, brain, nerves
brain, nerves, neurons
Dendrites are part of a neuron that carries electrical signals _______ the cell body.
to
away
in between
Axons are part of a neuron that send electrical signals ________ the cell body
to
away from
in between
True or False: the cell body of a neuron has a nucleus.
True
False
The space between an axon of a neuron that is communicating with a dendrite of another neuron is called a ________________.
Neuron
Brain message
Stimulus
Synapse
Which part of the brain controls involuntary movements such as digestion and your heartbeat?
cerebrum
cerebellum
medulla/spinal cord
Which part of the brain controls senses, thinking, and memory?
cerebrum
cerebellum
medulla
Which part of the brain controls balance and coordination?
cerebrum
cerebellum
medulla
When the spinal cord responds in an emergency to a stimulus before the brain, this is called a...
response
synapse
cerebral response
reflex
True or False: the right side of the brain controls the right side of your body, while the left side of the brain controls the left side of your body.
True
False
Any change inside or outside your body that causes a response is a ____.
axons
stimulus
reflex
neurons
Nerves that cause muscles to move are ____.
axon nerves
motor nerves
sensory nerves
feeling nerves
Thread-like part of a neuron that receives impulses and sends them towards the cell body.
axon terminals
axon
dendrites
cell body
Which part of the brain controls your blood pressure and heart rate?
brain stem
cerebrum
cerebellum
adrenal gland
Which statement best describes a reflex arc?
Slow response that you have to think about
Rapid response to protect body from harm
Which way does an impulse travel
From dendrite to axon and out axon terminal
From axon to axon and out dendrite terminal
From axon to dendrite and out axon terminal
From cell body to dendrite and out axon terminal
An example of a reaction to a stimulus is
a boy smelling a flower
eyes blinking due to smoke in the air
a person tapping on the shoulder of a friend
a loud clap of thunder following lightning
Effectors are best described as
organs that interpret stimuli
structures that respond to stimuli
tissues that initiate stimuli
cells that transmit stimuli
If a motor neuron involved in a reflex arc is damaged, which event in that arc is least likely to occur?
contraction of a muscle
stimulation of an interneuron
reception of a stronger stimulus by the sense organ
secretion of a neurotransmitter by the sensory neuron
Which is a correct route of an impulse in a reflex arc?
receptor → sensory neuron →interneuron → motor neuron → effector
effector → receptor→ motor neuron →sensory neuron → interneuron
sensory neuron → effector → motor neuron → receptor → interneuron
motor neuron → sensory neuron →interneuron → effector
