GROUP MEMBERS:

NERVOUSSYSTEM

5. The nervous system

The nervous system sends and receives information. It coordinates the functions of internal organs. And it also coordinates systems like the digestive system.

The nervous system´sPARTS The central nervous system consists of

Brain

Spinal cord

This system receives information, interprets it and decide on a response.

The peripheral nervous system consists on nerves. It transmits information from the sense organs to the central nervous system and from the central nervous system to other organs.

The brain has got three parts:The

cerebrum controls voluntary movements

The cerebellum coordinates movements and maintains balances.The brain stem

regulates internal organs.

The spinal cord controls reflex movements

6.The central nervous system

These are involuntary movements in response to external stimuli.

These are the result of decisions

Neurons are the principal cells of the nervous system. They receive and transmit information. They are grouped together to form nerves.

7. Neurons

NEURON, parts

controls

Body´sInternal process

Involuntary muscles

To control and coordinate

Such us

Such us

Beating of the heart

Digestion of the food

Endocrine system

Internal coordination

The endocrine system

Responsible forFunctions such as

GROWTH REPRODUCTION

Endoncrine Glands

Consists of

They secrete substances called hormones into the bloodstream

Thyroid gland

Enables the body to absorb

nutrients

Pancreas

Controls the amount of

sugar in the bloodstream

Ovaries and testes

Responsible for

reproduction

Pituitary glands

Coordinates endocrine glands

and also produces growth hormone.