8&9 Flashcards
what elements make up 96% of body weight
oxygen carbon hydrogen and nitrogen
remaining element that represents only 4% of body weight
minerals
is minerals inorganic or organic
inorganic
do minerals contain carbon
no
what are the minerals necessary for
necessary for body to build tissues regulate body fluids and assist in body functions
where are minerals found
in all body tissues
minerals are divided into how many groups? what are they ?
- major minerals and trace minerals
what are trace minerals
minerals needed in smaller amounts smaller than 100mg a day
what are major minerals
minerals required in amounts greater than 100mg a day
positively charged ions are called what
cations
what are ions
eletrically charged particles
what are negatively charged ions called
anions
what mineral does the human body contain more of than any other mineral
calcium
what % of calcium is found in the skeleton and teeth
99%
what % of calcium is found in the blood
1%
vitamin d increases what
the apsorption of calcium
what two minerals is a component of bones and teeth and gives them strength and hardness
calcium and phosphorus
what is the state of being poisonous
toxicity
what reduces the amount of calcium absorbed
a lack of weight bearing exercise(walking)
what vitamin increases the absorption of iron
vitamin c