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Grade 7 - Science - Sending Electrical Messages, Central Nervous System

memorize.ai (lvl 286)

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20 cards

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Section 1

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Medulla

Front

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Scala

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (20)

Section 1

(20 cards)

Medulla

Front

the part of the brain involved in involuntary life processes such as breathing, digestion, heart beat.

Back

Central Nervous System

Front

the part of the nervous system consisting of the brain and the spinal cord. It coordinates the activities of the entire nervous system.

Back

Brain

Front

the control center of the nervous system.

Back

Impulse

Front

the electrical messages that travel along a neuron.

Back

Sensory Neurons

Front

neurons that carry impulses from outside the body to the spinal cord or brain. For example, when you touch a flame the impulse is carried from your finger to your spinal cord or brain through the sensory neurons.

Back

Nervous System

Front

the control system made of the brain, spinal cord, and the nerves.

Back

Peripheral Nervous System

Front

the nerves that extend from the central nervous system to all the parts of the body.

Back

Stimuli

Front

event or conditions that cause an organism to react. For example, the event of burning your finger.

Back

Cerebrospinal Fluid

Front

the brain and spinal cord are surrounded by this fluid. It protects the brain and spinal cord from injury.

Back

Receptor

Front

receives signals from the environment.

Back

Neurons

Front

nerve cells that carry electrical messages. dendrites receive messages, axons send messages.

Back

Motor Neurons

Front

neurons that carry impulses from the spinal cord or brain to the body. For example, a signal gets sent from the brain to a muscle. This causes your body to move.

Back

Association Neurons

Front

neurons found in the brain and spinal cord. They serve as a link between sensory and motor neurons.

Back

CereBELum - think BELow

Front

the part of the brain that is involved in muscle coordination and body balance.

Back

Reflex Arc

Front

the path that an impulse takes in a reflex.

Back

Cerebrum

Front

the largest part of the brain that functions in memory, learning, and reasoning. Interprets messages from parts of your body. The left part of this structure controls the right half of your body. The right part of this structure controls the left half of your body.

Back

Reflex

Front

quick automatic response to a stimulus. For example, pulling your hand away from a hot stove.

Back

Learning

Front

complex process by which you acquire/gain the ability to do a new task.

Back

Spinal Cord

Front

the structure that carries messages between your brain and other parts of your body.

Back

Synapse

Front

the gap between neurons. impulses (messages) are sent across this gap.

Back