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Nutrition and Digestion (Nutrients (Fats (E.g - Fried and Processed Food),…
Nutrition and Digestion
Diet and its requirements for it to be healthy
Nutrients
Fats
E.g - Fried and Processed Food
Proteins
E.g - Chicken, Fish
Carbohydrates
E.g - Pasta, Bread
Water
E.g - Mineral and Sparkling Water
Minerals
E.g - Iron, Zinc
Vitamins
E.g Vegetables and Fruits
Obesity
Causes
Genetics
Overeating
Physical Inactivity
Secretions of Enzymes
Amylase - Salivary Glands
Maltase - Pancreas
Protease - Pancreas
Lipase - Pancreas
Insulin - Pancreas
Absorption
Absorbed in Small Intestine
Absorbed by Jejunum and Ilium - Iron is absorbed in the duodenum,Vitamin B12 and bile salts are absorbed in the terminal ileum
Nutrients absorbed by villi
Malnutrition
Digestive System Components
.
Salivary glands.
Pharynx.
Esophagus.
Stomach.
Small Intestine.
Large Intestine.
Rectum
Constipation
Cause 1 - Holding your stool for too long
Cause 2 - Rectum inflates too much and becomes damaged when released.
Cause 3 - Lack of Physical Activity
Cause 5 - Stress
Cause 4 - Lack of Fibre in Diet
