Which of the following is NOT an area where hair grows on the human body?

Hair growth on the human body varies by location, and one area notably devoid of hair is the soles of the feet. This is due to evolutionary adaptations where hair is less useful for protection or insulation on the soles, which are primarily designed to provide traction and support. In contrast, regions like the back, chest, and arms contain hair follicles, making them areas where hair commonly grows. Understanding this distinction is essential for identifying areas of hair growth and planning effective hair removal treatments.