Alarm system (1), the nervous system

A drawing of a brain
Grade 7
Science
Unit Seven

Summary of the Learning Object

Students study the mechanism of the nervous system by focusing on the brain, its functions and its role in responding to stimuli

Objectives

Unit Seven: The organs of the human body

To determine the causes of some neurological diseases by studying the importance of the nervous system and its mechanism of action

Educational Topics

Nervous system: types of neurons, the brain, parts of the brain

Items Needed

  • Microscopes,
  • Neuron slices,
  • Bulb

Instructions for Students

Learning Object implementation steps:

Parents presence is a must.

1. Cut an onion taking into account the conditions of security, safety and caution while handling the knife.
2. Write down your reaction while cutting onions (tears, burning eyes, itching eyes, runny nose, ...).
3. Write down the reasons for the difference in these responses and why were the reactions different? What caused the body to respond in this way?

Activity 1

Watch the following video about the nervous system.