
| Biology Demonstration Manual (Peace Corps, 1993, 35 p.) |
Class: 3
Lesson: L'activitervouse
Rationale: Demonstrate reflex reactions.
Materials:
student
chair
ruler
Procedure:
1. Have a student sit and cross his right leg over the
left.
2. With the ruler, sharply strike just below the knee cap.
3. The
lower leg will jerk outwards by reflex action.
Source: Mackean Introduction to Biology, p. 139.