Nutrition
,What is nutrition?
• Nutrition simply put, is the process by which living things
receive the food necessa for them to grow and be healthy.
• e term nutrition refers to the total of all the processes
related to the conversion of the raw foodstu into the stu
of the body to supply energy for di erent metabolic
activities and also for the repair and growth.
• In another word, we can de ne nutrition as the process by
which an organism derives energy to work and other
materials, required for the growth and maintenance of the
various activities of life.
,Nutrition from Food
• Organisms need food;
• (1) to provide the energy needed to keep alive and to
maintain their body processes, for muscle contraction,
doing work which include locomotion, exercise, manual and
mental work, breathing, digestion, elimination of unwanted
materials, and for many other metabolic processes.
• (2) as raw material for building, replacement of worn out
tissues and maintaining cellular integrity, and
• (3) for growth, maintenance of proper health and
reproduction
, • it is of utmost impo ance to take a well-balanced and
nutritive diet in the right propo ion.
• is diet must include all the food classes; proteins, fat/
lipids, carbohydrates, minerals, vitamins and water.
•
• ese must be taken in the right propo ion to ensure a
balanced diet. e key to good health lies in maintaining
balanced food nutrition.
,What is nutrition?
• Nutrition simply put, is the process by which living things
receive the food necessa for them to grow and be healthy.
• e term nutrition refers to the total of all the processes
related to the conversion of the raw foodstu into the stu
of the body to supply energy for di erent metabolic
activities and also for the repair and growth.
• In another word, we can de ne nutrition as the process by
which an organism derives energy to work and other
materials, required for the growth and maintenance of the
various activities of life.
,Nutrition from Food
• Organisms need food;
• (1) to provide the energy needed to keep alive and to
maintain their body processes, for muscle contraction,
doing work which include locomotion, exercise, manual and
mental work, breathing, digestion, elimination of unwanted
materials, and for many other metabolic processes.
• (2) as raw material for building, replacement of worn out
tissues and maintaining cellular integrity, and
• (3) for growth, maintenance of proper health and
reproduction
, • it is of utmost impo ance to take a well-balanced and
nutritive diet in the right propo ion.
• is diet must include all the food classes; proteins, fat/
lipids, carbohydrates, minerals, vitamins and water.
•
• ese must be taken in the right propo ion to ensure a
balanced diet. e key to good health lies in maintaining
balanced food nutrition.
