Biology 5.1.1

Question 1

The Human Nervous System consists of: (2)

Answer 1

-Central Nervous System: Brain & Spinal Cord.

-Peripheral Nervous System: All of the Nerves in the Body.

Question 2

What is Information sent through the Nervous System as?

Answer 2

Electrical Impulses.

Question 3

Define ‘Neurones’:

Answer 3

Another name for Nerve Cells.

Question 4

What do you can a bundle of Neurones?

Answer 4

A Nerve.

Question 5

The Pathway through the Nervous System is: (5)

Answer 5

-Stimulus.

-Receptor.

-Coordinator.

-Effector.

-Response.

Question 6

How is a Nerve Constructed- Smallest to Biggest: (3)

Answer 6

-Neurons.

-Nerve.

-Myelin Sheath.

Question 7

What is the ‘Myelin Sheath’?

Answer 7

An Insulating coat around Nerves. Aids in the Movement of Electrical Impulses Through the Nervous System.

Question 8

What is ‘Homeostasis’?

Answer 8

Homeostasis is the Regulation of the Internal Conditions of a Cell or Organism, to Maintain the Optimum Conditions for Function, in Response to Internal & External Changes.