hello madam you have really excellent understanding i would like aske a question in which i am too much confused i lots of studied watched vedios to understand exact correct nutrition definition but i am still confused i got a concept from all of this but i am not sure that is it right that i think definition of Nutrition is 1) nutrition is the science or investigation of food and nutrition is the science or investigation of food take in body to meet its requirements , nutrition is the analysis of that food which intake by the body and nutrition is the analysis of the relation between the food and body with regard to any impect of food on body. 2) study of food that intake the body for meet its requirement. 3) observation of food and how take the food . 4) study of food in all forms and all processes how our body ingest , digest , metabolize , mobilize , store and excrete food , please kindly tell me my above mentioned 4 points are correct or not with regard to correct nutrition definition ?