Ch 2- Common Elements In The Human Body

Question 0

Carbon

C

Answer 0

Primary element in all organic molecules, including carbohydrates, lipids, protein, and nucleus acids

Question 1

Oxygen

O

Answer 1

Essential to the oxidation of glucose and other food fuels, during which ATP is produced

Question 2

Hydrogen

H

Answer 2

Influences the pH of body fluids

Question 3

Nitrogen

N

Answer 3

A component of proteins and unclaimed acids( genetic material)

Question 4

Calcium

Ca

Answer 4

Found as a salt in bones and teeth. In ionic form it is required for muscle contraction, neural transmission, and blood clotting

Question 5

Phosphorus

P

Answer 5

Present as a salt combined with calcium in teeth and bones. Also present in nucleic acids and proteins. Part of ATP compound

Question 6

Potassium

K

Answer 6

Necessary for conduction of nerve impulses and for muscle contraction

Question 7

Sulfur

S

Answer 7

Component of proteins

Question 8

Sodium

Na

Answer 8

Important for water balance, conduction of nerve impulses, and muscle contractions

Question 9

Chlorine

Cl

Answer 9

Extracellular anion

Question 10

Magnesium

Mg

Answer 10

Present in bones, important for metabolic activity

Question 11

Iodine

I

Answer 11

Needed to make functional thyroid hormones

Question 12

Iron

Fe

Answer 12

Component if functional hemoglobin and some enzymes