NSC 170C1 Chapter Notes - Chapter 9: Goitre, African Americans, Osteoporosis
3 Nov 2016
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Minerals with known or possible roles in the body. Tap (hard) water contains minerals like calcium, magnesium, sulfur, iron, and zinc. 15 mineral elements have known functions in your body. Major mineral: person needs 100 mg or more of a mineral per day. Trace mineral: when a person doesn"t need 100 mg or more of a mineral per day. Help make structures in body like tissues. Cofactor: ion or small molecule that helps speed up the rate of chemical reactions. Digestive tract doesn"t absorb 100% of a mineral. Bioavailability: tracts ability to absorb and use mineral nutrients. Depends on: need for the mineral and sources of minerals and food processing. More likely to absorb more of a nutrient if your body is lacking. More processing a plant undergoes the lower its natural mineral content. Group of hormones along with vitamin d that help regulate blood calcium levels. Parathyroid glands secrete parathyroid hormone when blood calcium is low.
