5 - Chemistry of the Body Flashcards Preview

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Flashcards in 5 - Chemistry of the Body Deck (29):
1

The body contains _____ chemical elements.

26

2

Aluminum is an example of a ________.

Trace mineral

3

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

Electrolytes

4

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

7.35-7.45

5

Cause tissue damage.

Free radicals

6

An ion is an atom that ______

Could be either positively or negatively charged.

7

Chemical imbalances contribute to many conditions, including _______

Depression, diabetes and cancer

8

Protons, neutrons and electrons are all examples of _______

Subatomic particles

9

Excess calories are stored as _____

Fat

10

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

96%

11

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

Molecule

12

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

Isotopes

13

Consuming too much of a mineral can result in______

Toxicity

14

______ is an example of an acid.

Gastric juice

15

______ is not a trace element.

Niacin

16

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

Element

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.

Anabolism

18

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

Catabolism

19

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

Metabolism

20

Chemical elements are composed of ___

Atoms

21

The core of the atom.

Nucleus

22

Protons have what type of charge?

Positive

23

Neutrons have what type of charge?

Neutral

24

Electrons have what type of charge?

Negative

25

Another word for molecule.

Compound

26

An atom that is positively or negatively charged.

Ion

27

Substances that will release hydrogen ions in a solution.

Acids

28

Two substances in uneven amounts mixed together.

Solution

29

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

Base