1A

Question 1

The maintenance of a stable internal environment is called?

Answer 1

Homeostasis

Question 2

Three components involved with homeostatic mechanisms_______?

Answer 2

1.)Receptor 2.) Control Center 3.) Effectors

Question 3

Negative feedback mechanisms regulate:

Answer 3

A.) Body temperature B.) Nutrient levels in blood such as glucose levels C.) Blood Pressure

Question 4

Positive feedback mechanisms regulate:

Answer 4

A.) Formation of blood clots B.) Milk Production C.)Uterine Contractions

Question 5

Anything with mass and volume ( Anything that has weight and takes up space).

Answer 5

Matter

Question 6

Chemical identical atoms, the fundamental substance that composes matter_____

Answer 6

Elements

Question 7

Smallest particle of an element

Answer 7

Atom

Question 8

Carries a positive charge

Answer 8

proton

Question 9

Carries a negative charge

Answer 9

electron

Question 10

Carries no charge

Answer 10

neutron

Question 11

Nucleus contains_____

Answer 11

Protons and Neutrons

Question 12

The number of “protons” found in the nucleus in an atom

Answer 12

Atomic Number

Question 13

The number of “protons and neutrons” found in the nucleus

Answer 13

Mass Number

Question 14

The number of protons plus the number of neutrons in each of an elements atoms is __________

Answer 14

Atomic Weight

Question 15

Have an equal number of protons & electrons, but more electrons

Answer 15

Polar molecules

Question 16

When two or more atoms bond, they form a new kind of particle called _____

Answer 16

Molecule

Question 17

If atoms of different elements combine, they form Molecules of substances referred to as

Answer 17

compounds

Question 18

Consist of two different elements that are bonded together by charges

Answer 18

Ionic Compounds

Question 19

The starting materials are known as ______

Answer 19

reactants

Question 20

The ending materials are known as _______

Answer 20

products

Question 21

When two or more Atoms, Ions, or Molecules combine to form a larger, more Complex Molecule, the reaction is called _________

Answer 21

Synthesis

Question 22

Inorganic substances include

Answer 22

Water, Oxygen, Carbon Dioxide, Inorganic salts

Question 23

Organic substances include

Answer 23

Lipids, Nucleic Acids, Proteins, Carbohydrates

Question 24

Building blocks of carbohydrates are _____

Answer 24

Monosaccharides

Question 25

Building blocks of Lipids are ____

Answer 25

3 fatty acids and 1 glycerol

Question 26

Building blocks of proteins are ______

Answer 26

Amino Acids

Question 27

Building blocks of Nucleic Acids are ______

Answer 27

Nucleotides

Question 28

Considers the composition of substances and how they change _______

Answer 28

Chemistry

Question 29

Elements comprise over ____% by weight of the human body?

Answer 29

95

Question 30

Contains fewer Hydrogen Ions (H+) than Hydroxyl Ions (OH-)

Answer 30

Basic Solutions

Question 31

Contains more Hydrogen Ions (H+) than Hydroxyl Ions (OH-)

Answer 31

Acidic Solutions