Session (10.1.1) The Nervous System and Reflex Arcs

Partial Progress - Circles (browser only)

Introduction

In this session, you will learn the structures in the central nervous system and how to label a nerve cell or neurone. The focus of the topic is involuntary reflex actions. You need to be familiar with the roles of the following structures in the reflex arc of involuntary movements: receptors, sensory neurones, relay neurones, CNS, motor neurones and effectors.

Read

Please read through and make notes on pages 149-154 of your coursebook.

Links

Now work through the following resources:

WATCH - The Nervous System (Twig)

WATCH - Nervous System and Reflex Arc (YouTube)

WATCH - What is a Reflex Arc? (YouTube)

Skills

Measuring reaction time:

COMPLETE - Activity B9.01

Activity

Update your key words.

Complete the questions on page 153 and check your answers.

Review

Complete Question 1 on page 163. Check your answers.