What is the body's first defence against infection and viruses?
A: saliva, mucus, and hairs
The answer is either B or C
I believe it's likely the effect of the diagnosis.
Answer:
the constituents in food that the body requires to function properly.
Explanation:
Nutrients are the constituent of which a food is made up of and are required by the body to function properly. They provide energy to our body to perform the necessary and essential metabolic activities.
They help in body growth and tissue repair. There are six major nutrients that we get from our food. These nutrients are- carbohydrate, fat, protein, vitamin, mineral, and water.
Nutrient is required by every organism to survive. Some nutrients are required in large amounts called macronutrients and some in the small amounts called micronutrients.
