beginning of life, the. 

 - 1 videocassette (VHS)( 30 min.) : sd., col. 1/2 in. 
<br/><br/> Short sex education film on the human reproduction cycle. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryology, Human--Study and teaching.<br/>Human reproduction--Study and teaching.<br/>Fertility, Human--Study and teaching.