chapter 1 & 2

Question 1

is defined as the study of the structure of a living organism and the relationship of its parts.

Answer 1

Anatomy

Question 2

is defined as the study of the function of a living organism and its parts.

Answer 2

Physiology

Question 3

at what level the organization of the body begins?

Answer 3

Chemical

Question 4

a hypothesis that has gained a high level of confidence is called a

Answer 4

Theory & Law

Question 5

the reference position of the body when it is in an erect, or standing, posture with the arms at the sides and palms turned forward is called the…….

Answer 5

Anatomical position

Question 6

the two major cavityies are called the…..

Answer 6

ventral and dorsal cavities

Question 7

the space that encloses the brain and the spinal cord forms one continuous cavity called the…….

Answer 7

Dorsal cavitiy

Question 8

the midline plane that divides the body into right and left halves is the…..

Answer 8

midsagittal plane

Question 9

the plane that divides the body into front and back portions is the…….

Answer 9

coronal plane

Question 10

the chest region of the body is called the…..

Answer 10

thorax

Question 11

the abdominopelvic cavity is subdivided into the…

Answer 11

Abdominal and pelvic cavities

Question 12

Superior means

Answer 12

toward the head

Question 13

the relatively constat state maintained by the body is known as

Answer 13

Homeostasis

Question 14

most homeostatic control lops in the body involves

Answer 14

negative feedback

Question 15

instead of opposing a change in the internal enviroment, which type of feedback loop temporarily amplifies the change that is occuring?

Answer 15

positive feedback loop

Question 16

anything that occupies space and has mass is called

Answer 16

Matter

Question 17

a pure substance that is composed of only one of more than a hundred types of atoms is called a(n)

Answer 17

Element

Question 18

a chemical bond formed by the sharing of one or more pairs of electrons between the outers shells of two atoms is called a(n)…..

Answer 18

Covalent bond

Question 19

molecules that form ions when dissolved in the water are called….

Answer 19

electrolytes

Question 20

release hydrogen ions.

Answer 20

Acids

Question 21

as the concentration of hydrogen ions increases, th pH goes…..

Answer 21

down and the solution becomes more acidic

Question 22

maintian pH balance

Answer 22

Buffers

Question 23

the carbon-containing molecules formed by living things are often called….

Answer 23

Organic molecules

Question 24

Each enzynme “fits” the specific molecules it works on. this eplanation is often referred to as the

Answer 24

Lock and Key Model

Question 25

the most important monosaccharide is

Answer 25

Glucose

Question 26

An example of a polysaccharide is

Answer 26

Glycogen

Question 27

Proteins are large molecules composed of…

Answer 27

Amino acids

Question 28

Fat, Steroid, and Cholesterol are….

Answer 28

Lipid

Question 29

Avery large molecule composed of subunits of sugar, nitrogen base, and a phosphate bond is a …

Answer 29

Nucleic acid

Question 30

DNA and RNA are important because

Answer 30

They are the “Master Code” of life