That’s not really how sex and gender work, as the other person already pointed out, but in reality the distinction is much simpler. When talking about humans:
Male/Female: adjectives
Man/Woman: nouns
She is a woman. She’s a female professor. She is talking to her male colleague. He’s a man.
It’s really as simple as that.
The only time you’d use female/male as nouns is when talking about animals.
The lion is on guard, as another male approaches. The females keep their distance.
That’s not really how sex and gender work, as the other person already pointed out, but in reality the distinction is much simpler. When talking about humans:
Male/Female: adjectives
Man/Woman: nouns
It’s really as simple as that.
The only time you’d use female/male as nouns is when talking about animals.