Chemistry for Anatomy

Question 1

Matter

Answer 1

Anything that has mass and takes up space ~ cannot be created or destroyed

Question 2

Atom

Answer 2

Smallest component of matter normally found

Question 3

Subatomic Particles

Answer 3

Protons, Neutrons, and electrons

Question 4

Protons

Answer 4

positive electrical charge

Question 5

Neutrons

Answer 5

Neutral ~ they have no charge

Question 6

Electrons

Answer 6

Negatively charged, rotate outside the nucleus

Question 7

Element

Answer 7

Substance that is made of only one kind of element and cannot be broken down into anything else

Question 8

Oxygen

Answer 8

(O) 65% body weight. Part of every organic compound in the body, used in aerobic cell respiration, part of water molecules

Question 9

Hydrogen

Answer 9

(H) 10% of body weight. Part of every organic compound in the body, aids in controlling pH in the body, part of water molecules.

Question 10

Carbon

Answer 10

(C) 18% of body weight. Part of every organic compound in the body (truly, C is the backbone of all organic compounds).

Question 11

Nitrogen

Answer 11

(N) 3% of body weight. Part of all proteins and nucleic acids in the body, sometimes found in carbohydrates and lipids