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FOOD & IDEAL DIET OF ANIMALS - Coggle Diagram
FOOD & IDEAL DIET OF ANIMALS
Carbohydrates
main source of energy
glucose oxidised in respiration
releases energy
active transport
muscle contraction
produces biological molecules
cell division
refined sugar gives sudden boost of energy
excess starch/sugar
stored as glycogen in liver
stored as fat in fat deposits
starch digested and absorbed slowly (slow release carb)
cellulose
not digested by human enzymes
used as roughage
Proteins
catalyst (enzymes)
transport (haemoglobin)
structural (muscles & bones)
hormones (sex hormones)
defense (antibodies)
essential amino acids
cannot be made in body must be taken in diet
protein deficiency
causes Kwashiorkor & Marasmus
Lipids
meat & animal foods
rich in saturated fats and cholestrol
plant sources
rich in unsaturated fats
energy storage
because it's insoluble in water
energy source
insulation
thermal insulation under skin
electrical insultion for nervous system :
forms cell membrane
steroid hormones/sex hormones from cholestrol
