Simplify the following text for a Grade 6 native English-speaking person.
Original: Stage 5 refers to the spread of pubic hair to the thighs and upward towards the navel as part of the developing abdominal hair . In the months and years following the appearance of pubic hair , other areas of skin that respond to androgens may develop androgenic hair .
Simplified: Pubic hair is hair that grows in the pubic region , which is the part of the body where the penis is .