Human Nutrition Flashcards
What are carbs used for?
Imediate and a store of energy
Where are lipids found
Plants, oils, meat, fish, nuts, dairy
What are lipids used as?
Energy storage, insulation, cell membranes
Where is protein found
Meat, fish, nuts, pulses
What is protein used for?
Creations of new proteins, growth, repair
Where is fibre found?
Leafy vegetable?
What is fibre used for?
Digestive transit
Where is vitamin C found?
Fruit
Veg
What is vitamin C used for?
The immune system
Connective tissue
Where is vitamin D found?
Animal protein
Sunlight
What is vitamin D used for?
Fixing calcium to form bones
Where is iron found?
Meat
Leafy vegetables
What is iron used for?
Production of haemoglobin
Where is calcium found?
Meat
Dairy
Pulses
What is calcium used for?
Bones
What is on the human alimentary canal?
Mouth Stomach Pancreas Liver Small intestine Large intestine Salivary glands Oesophagus Gall bladder
What is ingestion?
Taking in substances through the mouth
What is mechanical digestion?
Breakdown of food into smalle pieces with a chemical change
What is chemical digestion?
Breakdown of large insoluble molecules into smaller soluble molecules
What is absorption?
Movement of small food molecules and ions through the intestine wall into the blood
What is assimilation?
Movement of digested food molecules into the cells they are used
What is egestion?
Passing of food that hasn’t been digested, as faeces, through the anus
What do salivary glands contain?
Amylase
What is the initial part of the small intestine?
Duodenum