The Dietary guidelines recommended for the adults includes 4 to 5 cups of vegetable daily. The dietary guidelines decides and states the adequate amount of fruits and vegetables which is required to keep the body healthy.
The age between 19-50 is working age group which requires energy for working. This energy is obtained from the food which we eat.
It requires 4 to 5 cups of fruits and vegetables for an adult of this age to fulfill the daily requirement of nutrition. Not a single fruit or vegetable would be able to meet the requirement of vitamins, minerals,carbohydrates, fats and proteins.
So a combination of fruits and vegetables is required to maintain the daily dietary requirements.
the main site of gas exchange is in the lungs between the alveoli and a family of really small blood vessels called capillaries. Which are placed in the walls of the alveoli.
