Previous questions in Kerala PSC,Previous questions in UPSC,Previous questions in SSC,and Previous questions in RRB Exams, Previous question papers,ICDS Supervisor Exam, Village Extension officer, University Assistant, LDC Exam, CHSL,CGL,RRB JE , Industries Extension officer, Poly Technic Lecturer,Bibi Mohanan, My Notebook,www.bibimohanan.com,bibi mohanan previous questions,bibi mohanan unacademy

1 July 2019

Food, nutrition, health and fitness|ICDS Supervisor Exam Kerala PSC

Food, nutrition, health and fitness|ICDS Supervisor Exam Kerala PSC


Food



  • Food can be defined as anything solid or liquid which when swallowed, digested and assimilated in the body provides it with essential substances called nutrients and keeps it well. 
  • It is the basic necessity of life. 
  • Food supplies energy, enables growth and repair of tissues and organs. 
  • It also protects the body from disease and regulates body functions.

Nutrition


Nutrition is defined as the science of foods, nutrients and other substances they contain; and of their actions within the body including ingestion, digestion, absorption, metabolism and excretion.  this summarizes the physiological dimensions.

Nutrition has social,  psychological and economic dimensions too.

Nutrients

Nutrients are the constituents in food that must be supplied to the
body in suitable amounts. 

These include carbohydrates, proteins, fats, minerals, vitamins, water and fibre. 

We need a wide range of nutrients  to keep ourselves healthy. 

Most foods contain more than one nutrient such as milk has proteins, fats, etc. 

Nutrients can be classified as macronutrients and micronutrients on the basis of the required quantity to be consumed by us everyday. 

The figure  shows us the distinction between macronutrients and micronutrients.


No comments:

Post a Comment

Hope you like the Post, Kindly give your feedback here. Happy Learning :)