5.2.7

The Brain: Key Facts

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The Brain

The brain is a very complex organ that controls all conscious and unconscious thoughts in order to keep an organism alive.

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Brain function

  • The brain is made up of millions of interconnecting neurones (nerve cells).
  • Different regions of the brain are responsible for coordinating (organising) different functions.
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Brain damage

  • The brain is delicate, complex, and not well understood.
  • Therefore, the treatment of brain damage and brain disease is difficult.

Jump to other topics

1Cell Biology

1.1What's in Cells?

1.2Cell Division

1.3Transport in Cells

2Organisation

2.1Principles of Organisation

2.2Enzymes

2.3Circulatory System

2.4Non-Communicable Diseases

2.5Plant Tissues, Organs & Systems

3Infection & Response

4Bioenergetics

5Homeostasis & Response

5.1Homeostasis

5.2The Human Nervous System

5.3Hormonal Coordination in Humans

5.4Plant Hormones

6Inheritance, Variation & Evolution

7Ecology

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