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Flashcards in Chapter 2 Deck (17)
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1

Major Elements in Animal Body

Oxygen, Carbon, Hydrogen, Nitrogen

2

Minor Elements in Animal Body

Calcium, Phosphorus, Potassium, Sulfur, Sodium, Chlorine, Magnesium

3

Important Trace Elements in Animal Body

Iron, Zinc, Selenium

4

Oxygen

Chemical Symbol "O"
Atomic Number "8"
Necessary for cellular energy (production of ATP); component of water

5

Carbon

Chemical Symbol "C"
Atomic Number "6"
Primary component of anything organic (carbohydrates, lipids, proteins)

6

Hydrogen

Chemical Symbol "H"
Atomic Number "1"
Important for PH balance in body
PH = Power of the hydrogen

7

Nitrogen

Chemical Symbol "N"
Atomic Number "7"
Component of all protein, also major component in the DNA and RNA.
Is a waste product.

8

Calcium

Chemical Symbol "Ca"
Atomic Number "20"
Component of teeth and bones; muscle contraction and sending nerve impulses and blood clotting

9

Phosphorus

Chemical Symbol "P"
Atomic Number "15"
Principal component in backbone of nucleic acids; important in energy transfer (part of ATP); component of bones; Main component of the phospholipid bilayer

10

Potassium

Chemical Symbol "K"
Atomic Number "19"
Principal positive ion within cells; very important for nerve function

11

Sulfur

Chemical Symbol "S"
Atomic Number "16"
Important component of most proteins
Stabilizes the protein

12

Sodium

Chemical Symbol "Na"
Atomic Number "11"
Important positive ion in extracellular fluid; important in nerve function (salty banana = sodium outside, potassium inside)

13

Chlorine

Chemical Symbol "Cl"
Atomic Number "17"
Is most abundant negative ion in extracellular fluids
Important electrolyte

14

Magnesium

Chemical Symbol "Mg"
Atomic Number "12"
Component of many energy-transferring enzymes

15

Iron

Chemical Symbol "Fe"
Atomic Number "26"
Critical component of hemoglobin

16

Zinc

Chemical Symbol "Zn"
Atomic Number "30"
Is an important component of many enzymes and proteins

17

Selenium

Chemical Symbol "Se"
Atomic Number "34"
Antioxidant