Foods and Nutrition 1021 Chapter Notes - Chapter 8: Dietary Reference Intake, Calcium Phosphate, Bone Density

• School: Western University
• Department: Foods and Nutrition
• Course: Foods and Nutrition 1021
• Professor: Noelle Martin

Document Summary

Minerals: naturally occurring, non organic, homogenous substances. Major minerals: essential nutrients found in the human body in amounts greater than. Trace minerals: essential nutrients found in the human body in amounts less than 5g. Water stands alone and is the most indispensable of all. Makes up (cid:1010)0 pe(cid:396)(cid:272)e(cid:374)t of a pe(cid:396)so(cid:374)"s (cid:271)ody (cid:449)eight. Transport vehicle for all nutrients and waste. Also the bodies cleaning agent: things like nitrogen dissolve in watery blood and need to be excreted before toxic buildups occur, kidneys filter these wastes from the blood and excrete them in the urine. Water molecules resist crowding together which is why it is optimal for maintaining lubricant and cushion for joints. Ability to maintain body temperature: wate(cid:396) of s(cid:449)eat is the (cid:271)ody"s (cid:272)oola(cid:374)t, as sweat evaporates, heat energy dissipates, cooling the skin and the underlying blood. The body controls both intake and excretion to maintain water equilibrium. Eati(cid:374)g salt (cid:272)a(cid:374) te(cid:373)po(cid:396)a(cid:396)ily i(cid:374)(cid:272)(cid:396)ease the (cid:271)ody"s (cid:449)ate(cid:396) (cid:272)o(cid:374)te(cid:374)t.