CHAPTER VI 



REPRODUCTION IN MAN 



The scientific conception of reproduction is an 

 important part of man's education; it places the 

 emphasis on the essential and fundamental 



Figure 28. Diagram of the human sperm cell in its fully 

 developed stage. Compare the shape of this sperm with that 

 of the salamander in Figure 21. The round head of the human 

 sperm cell contains the chromatin material and is the only part 

 that participates in the actual process of fertilization. 



features of the Law of Biogenesis as it relates to 

 mankind. This age-old question, abused and 

 tabooed, has finally been solved so far as science 

 can contribute to its solution. This does not 

 mean that all of the problems of reproduction are 

 understood, but it does mean that we are able to 

 describe clearly and simply this important phase 

 of protoplasmic activity in man in a manner that 

 will contribute much to his education. He can 

 never be free from his animal ancestry and the 

 basal laws that govern all life. The only alterna- 



86 



