Match the Items Below to the Most Appropriate Description

Q11: Identify four different types of sexual activity

Q12: Describe the four stages of Masters and

Q13: Chemical messengers that arouse cells to do

Q14: Many teenage boys experience frequent erections and

Q15: The psychological, sociological, and physical aspects of

Q17: The male reproductive cells are called _.

Q18: In the beginning, all human embryos have

Q19: After some particularly ugly comments began circulating

Q20: Hormones called _ stimulate the gonads to

Q21: _ is the discomfort that may occur