After describing the process of spermatogenesis to a group of students, the instructor determines that the teaching was successful when the students identify what as being responsible?

Follicle stimulating hormone

Explanation: Follicle stimulating hormone is a hormone produced by the Pituitary gland, it is produced for the purpose of the regulation of the activities of both the Testes and the Ovaries.

Follicle stimulating hormone is essential for the production of Sperm cells and the Egg cells, needed for fertilization to take place. A reduced secretion of the follicle stimulating hormone will lead to infertility for both men and women.

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.