Noun: _"How Many Hair Follicles on the Human Head"_ refers to the total number of microscopic structures in the scalp that produce hair. Just like trees in a forest, humans have an average of 100,000 to 150,000 hair follicles on their scalp.
Knowing the number of hair follicles on the human head is important for understanding hair growth, hair loss, and scalp health. It has implications for cosmetic treatments, such as hair transplants, and for medical conditions that affect hair follicles, such as alopecia. Historically, the first accurate count of hair follicles on the human head was made in the 19th century by the French dermatologist Louis-Antoine Sabouraud.