instruction:
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.
question:
Question: What type of diagnosis happens before a baby is born? Answer: prenatal
answer:
Prenatal diagnosis refers to the diagnosis of a disease or condition before the baby is born.

question:
Question: The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this? Answer: extrinsic innervation
answer:
layers: mucosa, submucosa, muscularis, and serosa. The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides extrinsic innervation.

question:
Question: What is produced when hydrogen gas and oxygen gas are ignited? Answer: water
answer:
Hydrogen gas and oxygen gas are ignited to produce water.