Science Nervous System Trivia

What is the nervous system?

• A system composed by nerves and cells called neurons.

• System that helps digest food and absorb nutrients.

• A system that helps protecting the body from outer danger.

• System that helps blood pass throughout the human body.

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Why is the nervous system important?

• Because without it other systems such as the digestive system could not work.

• Because it makes us think and breathe

• Because is the one in charged of sending signals throughout the body to react to something or make an action.

• It is not important to the human body.

Unicellular organism have a nervous system and use it to interact with their environment.

• True

• False

Many species alive work with a nervous system but the symmetry of the animal has a big impact on how nerve connection is carried, the human body has a...

(a)  

Which ones are characteristics of a Radial symmetry nervous system?

• Have a nerve net which is a connection of nerves directing nowhere.

• Their nerve net can produce a lot of functions as the human body.

• Their nervous system does not focuse all the information that gathers in one point.

• They are the same as a bilateral symmetry.

This sea animal has a radial symmetry or a bilateral symmetry?

• Bilateral symmetry

• Radial symmetry

• has no symmetry

This animal has radial or bilateral symmetry?

• Radial symmetry

• Bilateral symmetry

• None

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(a)   Is the concentration of neurons in the upper end body part.

The (a)   is an organ that helps the management of internal processes, sends out signals throughout the body for different functions.

What's the difference between the peripheral nervous system and the central nervous system?

• The central nervous system includes the brain and the spinal cord while the peripheral nervous system has the cranial and spinal nerves.

• The central nervous system includes the head only and the peripheral nervous system has the spinal cord.

• The central nervous system includes the cranial and spinal nerves cord while the peripheral nervous system has the brain and the spinal cord.

• Both are the same.