Answer: 2,200 Kcal
Explanation: An average adult requires at least 2,200 Kcal in a day for maintaining his/her weight and carrying on everyday activities. The average calorie requirement varies person to person depending on numerous factors such as person’s sex, age, height, weight, and level of physical activity. In each sex and age category, the higher limit of the range is for individuals who have active lifestyle and the lower limit of the range is for individuals who have sedentary lifestyle. The reductions in basal metabolic rate occur with aging, which reduce the calorie needs for adults as they age.
Blood has three main functions: transport, protection and regulation. Blood transports the following substances: Gases, namely oxygen (O2) and carbon dioxide (CO2), between the lungs and rest of the body. Nutrients from the digestive tract and storage sites to the rest of the body.
Answer;
One could use body mass index, waist circumference, and waist-to-hip ratio.
Explanation;
-Body mass index is a measurement of a person's weight with respect to his or her height. It is a good indicator of ones body fat.
-Waist circumference (WC) is an indicator of health risk associated with excess fat around the waist.
-Waist-to-hip ratio is the dimensionless ratio of the circumference of the waist to that of the hips.
Answer:
source of energy but c too
