Fat is a necessary component of the human diet. State three ways in which the human body uses fat

1 (for) energy / energy source / respiration ; 2 storage / stored ; (fat or vitamins or energy) 3 insulation / reduce heat loss / maintains temperature / ref to myelin ; 4 protection (against mechanical damage) / cushions organs / shock absorber ; 5 AVP ; 6 AVP ;e.g. buoyancy making (some) hormones making (cell) membranes provide heat absorption of vitamins waterproofing