5 - Chemistry of the Body

Question 1

The body contains _____ chemical elements.

Answer 1

26

Question 2

Aluminum is an example of a ________.

Answer 2

Trace mineral

Question 3

What substances break apart into two or more ions when put into water.

Answer 3

Electrolytes

Question 4

When in balance, the body’s pH should be within what range?

Answer 4

7.35-7.45

Question 5

Cause tissue damage.

Answer 5

Free radicals

Question 6

An ion is an atom that ______

Answer 6

Could be either positively or negatively charged.

Question 7

Chemical imbalances contribute to many conditions, including _______

Answer 7

Depression, diabetes and cancer

Question 8

Protons, neutrons and electrons are all examples of _______

Answer 8

Subatomic particles

Question 9

Excess calories are stored as _____

Answer 9

Fat

Question 10

Oxygen, carbon, hydrogen and nitrogen account for approximately ___% of the body’s mass.

Answer 10

96%

Question 11

Two or more atoms bonded together is a(n) _____

Answer 11

Molecule

Question 12

Two or more forms of the same atom with different masses are _______

Answer 12

Isotopes

Question 13

Consuming too much of a mineral can result in______

Answer 13

Toxicity

Question 14

______ is an example of an acid.

Answer 14

Gastric juice

Question 15

______ is not a trace element.

Answer 15

Niacin

Question 16

The simplest component from which all other chemical structures are built.

Answer 16

Element

Question 17

A biochemical reaction in which simpler substances are combined to form more complex substances, resulting in the storage of energy, the production of new cellular material and growth.

Answer 17

Anabolism

Question 18

A biochemical process involved in the breakdown of organic compounds, usually leading to the production of energy.

Answer 18

Catabolism

Question 19

The sum of all energy-producing and energy-using processes that occur in the human body.

Answer 19

Metabolism

Question 20

Chemical elements are composed of ___

Answer 20

Atoms

Question 21

The core of the atom.

Answer 21

Nucleus

Question 22

Protons have what type of charge?

Answer 22

Positive

Question 23

Neutrons have what type of charge?

Answer 23

Neutral

Question 24

Electrons have what type of charge?

Answer 24

Negative

Question 25

Another word for molecule.

Answer 25

Compound

Question 26

An atom that is positively or negatively charged.

Answer 26

Ion

Question 27

Substances that will release hydrogen ions in a solution.

Answer 27

Acids

Question 28

Two substances in uneven amounts mixed together.

Answer 28

Solution

Question 29

A substance that will bind to hydrogen ions in a solution.

Answer 29

Base