introduction mita biswas asst. teacher international grammar school,igs std-viii sub-science...

Welcome

Introduction

• Mita Biswas• Asst. Teacher• International

Grammar School,IGS

• Std-VIII• Sub-Science• Chapter-5• Neuron

TitleNerve cell or neuron

Learning outcome• At the end of the lesson Ss will be able

to • Say about nerve cell.• Describe the different parts a nerve cell.• Compare between a cell body and a cell• Draw a picture of a neuron.

Cell body

Processes

Individual workHow many parts does a neuron have and what are they?

Axon

These are processes

Dendron

PAIR WORKHow many parts of a processes you have seen in the above picture? Write down their name.

Cytoplasm

Nucleus

Centriol

Cell body Cell

GROUP WORKWrite the similarities & dissimilarities between a cell body and a cell.

Cell body is composed of these

Plasma membrane

NucleusCytoplasm

EVALUATION

What is nervous system? Through which impulses are transmitted from one neurone to another?

Cell body is composed of which things? Tell their name.

synapseMotor

nerveSensory neuron fibre Eye

EarNoseTongueSkin

Nerve impulse

Nerve impulse

Chart of the transmission of an impulse of the nervous system

Home work

• Draw a diagram and show how impulses are transmitted from one neurone to another.

Thanks