Flashcards in common elements in the human body Deck (13)
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1
Carbon (C)
18.5% of body.
carbohydrates, lipids, proteins, and nucleus acids
2
Hydrogen (H)
9.5% of body.
influences pH of body fluids,
3
Nitrogen (N)
3.2% of body.
component of proteins and nucleus acids (genetic material)
4
Calcium (Ca)
1.5% of body.
salt in bones and teeth, required for muscle contraction, neural transmission, and blood clotting
5
Phosphorus (P)
1.0% of body. salt in combo with calcium in bones in teeth. forms part of high energy compound (ATP)
6
Potassium (K)
0.4% of body.
intercellular cation. necessary for conduction of nerve impulses and muscle contraction.
7
Sulfur (S)
0.3% of body.
Component of proteins (particularly contractile proteins of muscle)
8
Sodium (Na)
0.2% of body.
extra cellular cation. important for water balance, conduction of nerve impulse and muscle contraction
9
Chlorine (Cl)
0.2% of body.
extra cellular anion
10
Magnesium (Mg)
0.1% of body.
important cofactor for enzyme activity in a number of metabolic reactions.
11
Iodine (I)
0.1% of body.
needed to make functional thyroid hormones.
12
Iron (Fe)
0.1% of body.
component of functional hemoglobin molecule (which transports oxygen within red blood cells) and some enzymes.
13
