FOOD AND DIGESTION

NUTRITION
Nutrition is taking in nutrients which are organic substances and mineral ions, containing raw materials and energy for growth and tissue repair, absorbing and assimilating them. Nutrition is one of the characteristics of living organisms.
Every Individual needs to take in a certain amount of each nutrient daily, depending on their age, size, sex and activity.
There are 7 Types of nutrients, these are: Carbohydrates,Proteins,Fats,Fibers,Minerals & Vitamins and Water.

PROTEINS
Are organic compounds; they contain the elements Carbon, Hydrogen, Oxygen, Nitrogen and sometimes Phosphorus or Sulfur.A molecule of protein is a long chain of simpler units called amino acids. These amino acids are linked together by what's called “peptide bond "

TYPES OF PROTEIN
Animal Protein: It contains the most biological value because it contains all essential amino acids (Meat, Milk, Fish, Eggs etc).Plant Protein: It contains a lower biological value to humans because it contains fewer essential amino acids (Peas, Beans etc).

NEEDS OF PROTEINS

• Making new body cells
• Growth and repair
• Making enzymes
• Build up hormones
• Making antibodies

GOOD SOURCES OF PROTEINS

• Meat ( size of deck of cards ) : 20g
• Fish ( Salmon, Mackerel ) : 20 g
• Eggs ( one large egg ) : 6g
• Dairy Products ( 1cup of milk ) : 8g
• Beans ( 1 tbsp ) : 2.6g

SIDE EFFECTS
A diet high in meat can contribute to high cholesterol levels or other diseases such as gout. A high-protein diet may also put a strain on the kidneys.