Answer: C. 19
Explanation:
The puberty is the crucial period of development of the human body. In this the release of growth of hormone increases also sex hormones are produced and released in the body. It begins in the age of 8-13 in girls and 11-13 years in boys. For hormonal, physical, and sexual development the nutritional need of the body also increases considerably. The intake of heavy protein, fat, and carbohydrate rich diet is advised which can help in muscle growth in males, deposition of fat in the breasts and hips in females, production and release of important hormones in the body. Moreover at the end of puberty the nutritional needs change as in accordance with the working role of an individual as rapid growth occurs at the end of the puberty which helps an individual to attain an adult appearance in terms of both morphological and physiological forms, cognitive ability increases, also a person may indulge in earlier sexual practices, all these changes require a change in diet which can meet the requirements of the physiological and physical development of the body.