Question: Are there people who are men who experience menstruation?, Answer:Yes, Description of Menstruation: Regular discharge of blood and tissue from the inner lining of the uterus through the vagina, Fact1: Menstruation can occur in any human being who has a uterus and vagina. , Fact2: People who are born with a vagina may transition socially and/or medically to being male. , Fact3: Someone with a vagina who has transitioned to being male is a man. 
Step1: What body organs are involved in menstruation?, Step2: Do some men possess #1? , Wikipedia page for step 1: wiki: Menstruation, Wikipedia page for step 2: wiki: Man, not_definitive_answer: False, incorrect_answer: False