2.24-2.33 Human Nutrition Flashcards
What is important for a balanced diet
Apropriate proportions of carbohydrates, protein, lipids, vitamins, minerals, water and dietary fibre
Carbohydrate : functions and where to find it
Provides energy
found in pasta,rice, sugar
Protein : functions and where to find it
needed for growth and repair of tissues
found it meat and fish
Lipids : functions and where to find it
to provide energy and act as an insulator
found in butter & oily fish
Name 3 vitams, their function and where to find it and deficiency
Vitamin A: found in oily fish and dairy products needed for growth and development as well as good vision
deficiency- night blindness
Vitamin C: found in citrus fruits needed for healthy teeth and gums
deficiency- scurv
Vitamin D: found in dairy products and produced by body using sunlight needed for strong bones and teeth
deficiency- rickets
Name 2 minerals, their function and where to find them and deficiency
Calcium: found it dairy products, needed for strong bones and teeth
deficiency-rickets
Iron: component of heamoglobin which helps bind oxygen to blood
deficiency- anemia
Teeth function
to break down food
Salivary gland function
produces amylase enzyme in the saliva
Tongue function
helps the movement of food and assists swallowing
oesophagus function
the muscular tube that conects the mouth and stomach
liver function
regulates most chemical levels in the blood and excretes a product called bile
stomach function
pummels the food with its muscular walls
produces protease enzymes
produces hydrochloric acid to kill bacteria with an optimum of ph 2
Pancreas function
produces protease amylase and lipase enzymes which it releases into the small intestide
large intestine function
also the colon
excess water is absorbed from food
small intestine function
produces protease amylase & lipase enzymes to complete digestion
nutrients are absorbed
first part is the duodenum and the last part is the ileum