POWERPOINT PRESENTATION

VINI V.TREG NO:181/14376022

NATURAL SCIENCENEW B.Ed COLLEGE NELLIMOODU

WELCOME

TOPIC : BRAIN

BRAIN STRUCTURE

The major part of the brain include cerebrum, cerebellum,medulla oblongata and spinal cord.

INTRODUCTION

The brain is the most complex organ in the human body. It is the centre of all the peculiar characteristics which make man unique.

The brain is protected inside a hard case called skull.

FUNCTIONS

The nervous system is our boby’s decision and communication center.

The central nervous system is made of the brain,the spinal cord and periphrals.

Nervous system consist of nerves.Sensory nerves gives information from

environment.

DIFFERENT PARTS OF BRAINCEREBRUM is the largest part of the brain. The outer part of cerebrum is grey colured due

to absence of myelin. This is called grey matter. Interior cerebrum is called white matter.

CEREBULLUM, the part that lies below the cerebrum. It is the second largest part of brain.

MEDULLA OBLONGATA is a stem like part seen close to the cerebullum, below the cerebrum.

The thalamus seen at the interior of the brain.

LOBES OF THE CEREBRAL CORTEX

FRONTAL LOBE- associated with reasoning,planning, parts of speech,movement,emotions and problem solving.

PARIETAL LOBE- associated with movement, orientation, recognizing,perception of stimuli.

OCCIPITAL LOBE- associated with visual processing.

TEMORAL LOBE- associated with perception and recognition of auditory stimuli,memory and speech.

BRAIN CANCERBrain cancer can have a wide variety of

symptoms including seizeres,sleepness,confusion,behavioural changes. Not all brain tumour are cancerous and benign tumours can result in similar symptoms.

Brain tumours are abnormal growth of cells in the brain.

In general benign tumours is less serious than a malignant tumour.

BRAIN DISEASES AND PROBLEMSMENINGITIS: An inflamation of the lining

around the brain or spinal cord,usually due to infection,neck stifness,head ache.

BRAIN ABSCESS: A pocket of infection in the brain,usually caused by bacteria.

SEIZURES: Included in the seiszure category of brain disease is Epilepsy, a condition charactrised by recureing seizures caused by abnormal and excessive electrical activity in the brain.

HOW TO KEEP YOUR BRAIN HEALTHY

Avoiding damage. Keep the blood flowing. Effects of diet. Eat healthy food.

THANK YOU