The document describes the characteristics of children with normal health and development. Children with R.M.C. are energetic, have well-developed muscles and good posture, bright eyes, clear skin, and normal height and weight. In contrast, unhealthy children may be very thin or heavy, lack energy, get sick easily, and have pale or flushed skin, poor posture, and do not participate in activities. The document provides 10 tips to maintain good health, including eating nutritious foods, keeping clean, washing hands, exercising, resting, good sleeping habits, oral hygiene, posture, checkups, and developing neat habits.