Importance of Food In Human body importance of nutrition in Humans DAV class 7

Today we are going to learn why food is important for our body.

And what is carbohydrates, vitamins and minerals,protein,fats,water,and why nitration in humans is important...

We know that we all living organisms need food to live and to survive....

why Food is important for Living organisms...?

Food provides the energy needed by living beings,to do work.it also protect us from different diseases and keep us fit and healthy. 

source of food..

All living organisms get their food plants,and animal's or their products.

Food from plants.. 

Plants make their food by utilising the energy of sun.Food is prepared by leaves of green plants it is then stored in different parts of plants..

Human beings, and some animals, eat these plants in one form or other...

cereal grains, like wheat, rice, maize, millets, are important sources of energy.

They constitute the major

components of our food. pulses, like green gram (channa) blackgram kidney beings (rajma), split red gram (arhar) red lentils(mansoor) and soybean are some of the important sources of protein in our dite.

Fruits,like mango, apple, banana, orange, watermelon, and melon are some of are good sources of nutrition...

Green leafy vegetables, like spinach, mustard, fenugreek,and many other vegetables, like reddish, lady ginger, turnip, carrot,and  brinjal, are obtained from plants..

we use oils like mustard oil,sesame oil, sunflower oil, groundnut oil, and coconut oil, These oils are obtained from plants and are the source of fats....

spices, like cumin (jeera), turmeric, black pepper, cardamom, chili, carom seeds, and cloves, gives flavor to our food and make it tasty...

Nutrition in humans 

Nutrition can be defined as a substance present in food that maintains the body and make it fit.... 

it healthy carbohydrates,protein and fats,

 we need in large scale but vitamins and minerals we need in small amount alone with fiber and water. such dite is called balance dite...........

Nutrition in human 

following are the major nutrition required by human body:-.....

What is carbohydrates...(Define carbohydrates)....

Carbohydrates

complex carbohydrates,particularly starch, are found in food such as pasta, bread, rice, potatoes,and many others

 During digestion starch,is broken down to the simpler sugar glucose, the body is the main source of energy.

What is vitamins and minerals...

vitamins and minerals

vitamins and minerals are required in minutes amount and essential for maintaining a strong immunity. 

building strong bones and muscle and also promote normal growth and development.

most vitamins comes from fresh, fruits and vegetables with some also found in fish, meat, dairy and maney more 

Minerals:  calcium and iron also help the body perform optimally.The best sources are vegetable, dairy meats and some fish.

What are fats...

Fats 

some fats supplying food are diry food, meat, seeds, and nut, as vegetables oils. fats is digested into fatty acids,.

which are used as an energy source and to form cell membranes or they rebuild into fats that under the skin, insulates the body it help to keep our body warm.

What is protine....

protien

A rich source of protein is fish along with lean meat poultery and beans after digestion into body protein supply to the body with amino acids.

Why water is important....

water 

Around 50- 70 percent of our body is made of water Therefore this amount should always be present in the human body it is the only source via which all the important nutrients vitamins minerals and other waste in

the body are transported.

Why Human digestive systems is important in humans beings..

Human digestive system 

Digestion has been an important procedure performed by the human body which provides energy by breaking down the massivee food molecules into easy absorbable molecules to supply energy for various life process. 

The complete process of digestion happens through to stepwise process which is common to all living organisms Digestion includes the following processes.

What is ingestion..?.....

ingestion it is the process human beings ingestion the food by actually eating it. 

in the mouth the food materials is subject to cutting, tearing chewing and a little but of predigetion using the salwary juice and eventually swallowing it.

What is absorption..?..

absorption This is often a critical stage in which the nutrients are taken us from digestive organs and distributed to the body tissue.

 this process is where food swallowed is converted to actually energy to be used I'm human bodies.

What is encreasation ?...

Encreations: This is the last process where waste material is excreted from our bodies.

Why nutrition in human beings ?

Nutrition in human beings is vital because of the three main reasons undernutrition includes problems like weight gain as per the age.

Can also causes micronutrition deficiencies or insufficincies.

Issues of being overweight obese and dite related noncomunicable diseases such as heart diseases stroke, diabetes and some concres.