Question

Почему у людей не растут волосы на голове до определенного момента как у животных. почему приходится их стричь??

Answer 1

Возможно не сначала просыпаются луковицы волос

Answer 2

Why Humans and Animals Have Hair

Humans and animals have hair for various reasons, and the growth patterns can differ between species.

Humans: - In humans, hair growth is influenced by genetics, hormones, and age. Hair growth on the scalp is not continuous and occurs in cycles. The growth phase (anagen) is followed by a transitional phase (catagen) and then a resting phase (telogen) before the hair falls out and the cycle begins again.

Animals: - In animals, the growth and shedding of hair are also influenced by genetics, hormones, and environmental factors. Different species have different hair growth patterns, with some shedding seasonally and others continuously growing hair.

Why Hair Needs to Be Cut

Humans: - The need to cut human hair is primarily for grooming and personal preference. While some people may choose to let their hair grow without cutting it, others prefer to maintain a certain length or style, which requires regular trimming.

Animals: - In the case of animals, regular grooming and shedding are essential for maintaining healthy coats. Some domesticated animals, such as dogs, may require regular haircuts to prevent matting and to manage their fur for hygiene and comfort.

In summary, the growth and maintenance of hair in both humans and animals are influenced by a combination of genetic, hormonal, and environmental factors, leading to different growth patterns and the need for regular grooming and haircuts.