Nutrients And Digestion Flashcards
What are the 7 nutrient groups ?
Protein, carbohydrates, lipids, vitamins, minerals, fibre, water
What does protein do in the body ?
Protein is necessary for growth and maintenance of the body. Protein is also a source of energy.
What do carbohydrates do to the body ?
Carbohydrates supply energy to cells.
What do lipids do to the body ?
Fats supply and store energy, insulate and support cushion organs. They are also involved in absorption of fat soluble vitamins.
What do vitamins do to the body ?
Vitamins promote specific chemical reactions within cells.
What do minerals do to the body ?
Minerals are used for growth and maintenance for bone and teeth. They are involved in osmoregulation, nerve transmission, muscle contraction, transport systems and other functions.
What does fibre do to the body ?
dietary fibre is needed to increase bulk and water in the intestinal contents to promote bowel movement and transit times.
What does water do to the body ?
It makes up 50-70% of the body weight, it provides a medium for chemical reactions whilst also transporting chemicals. It regulates body temperature and removes waste products.
What is mechanical digestion ?
Large piece of food are ingested and physically broken down to smaller pieces.
What is chemical digestion
Larger molecules of food are broken down into smaller molecules by enzymes, acid and bile. E.G amylase is an enzyme found in saliva and the stomach which is responsible for breaking down starts into short chain carbohydrates.
What type of stomach does a mono gastric animal have ?
They have a single chambered stomach.
