They also need to know about the changes their body is going to go through in puberty, the emotions and urges they will develop and how to healthily deal with them, basic hygiene and use of deodorant, what sexual assault is and how to report it since many kids are sexually abused.
At 10 all kids need to know is that genitals are used for sex and they shouldn’t be doing it with anyone
Not much more details are necessary
They also need to know about the changes their body is going to go through in puberty, the emotions and urges they will develop and how to healthily deal with them, basic hygiene and use of deodorant, what sexual assault is and how to report it since many kids are sexually abused.