Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[Q]: Question: Name the organ located behind the nasal cavity in which both food and air pass through? Answer: pharynx
[A]: Behind the nasal cavity, air passes through the pharynx , a long tube. Both food and air pass through the pharynx.

[Q]: Question: What type of diagnosis happens before a baby is born? Answer: prenatal
[A]: Prenatal diagnosis refers to the diagnosis of a disease or condition before the baby is born.

[Q]: Question: Producing sperm and secreting testosterone are the main functions of what system? Answer: male reproductive system
[A]:
The main functions of the male reproductive system are to produce sperm and secrete testosterone.