Module 1 The Nervous System

Lesson 1.1.3

1.1.3 page 4

Watch and Listen

If you choose to further review reflexes, watch the video below

You can also check out an interesting applet about reflexes from the BBC. You can use search words such as “bbc,” “schools,” “bite size,” and “bireflexarc.”

Self-Check

SC 2. To review your understanding of the reflex arc, write a step-by-step description of the process illustrated below using all the terms that you have learned, and then name the type of reflex. Check your answers, and file the assignment in your course folder.

This handout is an illustration of a typical reflex arc.
Inquiry into Biology (Whitby, ON: McGraw-Hill Ryerson, 2007), 370, fig. 11.8. Reproduced by permission.

Check your work.

Self-Check Answers

SC 2.

Inquiry into Biology (Whitby, ON: McGraw-Hill Ryerson, 2007), 370, fig. 11.8. Reproduced by permission.

A withdrawal reflex. Receptors in the skin perceive the stimulus (the cactus). Sensory information is conducted from the senses into the spinal cord. Motor information is then conducted away from the spinal