How many heads does a normal human body have in art? Where are they?

Normal is more than seven heads, from the hairline to the chin, from the chin to the scapular fossa, from the scapular fossa to the waist, from the waist to the buttocks, at both ends of the thigh and calf, the foot height is slightly higher. The upper arm is one and a third of the head height, the forearm is one and a third of the head height, and the hand is two-thirds of the head height. The face width is the same, and the foot length is the same as the face height.