438 Our Surroundings 



PROJECTS 



1. Determine by experiments what parts of the body are most sensitive to 

 touch. 



2. Try simple experiments to show reflex action. 



OUTDOOR OBSERVATION 



1. Observe how various parts of your body coordinate in walking, run- 

 ning, jumping or in some other physical act. 



2. Observe coordination in the motions of animals and birds. 



3. On the way to school, note acts you commonly perform consciously, 

 and acts or motions you ordinarily perform without conscious thought. 



REFERENCES 



The Human Mechanism Hough and Sedgwick 



The Human Body Martin 



