HUMAN NUTRITION

Detailed explanation-1: -Healthy infants come in a range of sizes. But looking at the average growth, most babies have tripled their birth weights by the first birthday. Their heads have grown by about 4 to 5 inches (about 10 to 13 centimeters). And most babies grow about 9.5 inches (24 centimeters) longer in the first year.

Detailed explanation-2: -From birth to 6 months, the typical baby will double their birth weight. From birth to 1 year, they will triple their birth weight. On average, the first three months of life will bring about an ounce of weight gain per day.

Detailed explanation-3: -In general, length in full-term infants increases about 30% by age 5 months and more than 50% by age 12 months. Infants typically grow about 10 inches (25 centimeters) during the first year, and height at 5 years is about double the birth length.

Detailed explanation-4: -Physical growth refers to an increase in body size (length or height and weight) and in the size of organs. From birth to about age 1 or 2 years, children grow rapidly.