Chapter 1

Question 1

Motion within the cells

Answer 1

Movement

Question 2

the sum of all chemical processes that occur in the body

Answer 2

Metabolism

Question 3

the breakdown of large, complex chemical substances into smaller, simpler components

Answer 3

Catabolism

Question 4

the production of large, complex chemical substances from smaller simpler components

Answer 4

Anabolism

Question 5

the production of a new individual when an egg cell is fertilized by a sperm cell

Answer 5

Sexual reproduction

Question 6

the formation of new cells by cell division during the growth, repair, or replacement of tissues

Answer 6

Asexual reproduction

Question 7

an increase in tissue, organ or body size

Answer 7

Growth

Question 8

occurs when an unspecialized immature cell develops into a specialized, mature cell

Answer 8

Differentiation

Question 9

the body’s ability to detect and respond to internal and external changes in the body’s environment

Answer 9

Responsiveness

Question 10

a condition of equilibrium in the body’s internal environment

Answer 10

Homeostasis

Question 11

the six levels of organization in humans and other animals

Answer 11

Chemical, Cellular, Tissue, Organ, Organ Systems, and Organism

Question 12

the most basic non-living level

Answer 12

Chemical level

Question 13

molecules are the building blocks to form cell structures

Answer 13

Cellular level

Question 14

are communities of cells that perform related functions

Answer 14

Tissues

Question 15

the 4 basic types of tissues

Answer 15

Epithelial, Connective, Muscle, and Nervous Tissue

Question 16

distinct, identifiable structures that are composed of two or more different types of tissues

Answer 16

Organs

Question 17

consists of related organs that perform a common function or functions, 11 systems, interdependent

Answer 17

Organ systems

Question 18

the complete organism or living individual, all parts of the body function together to maintain the organism

Answer 18

Organismal level

Question 19

a cycle of events in which a body condition is constantly monitored, evaluated, changed, re-monitored, and re-evaluated to maintain homeostasis

Answer 19

Feedback system

Question 20

a body structure that monitors some change inside or outside the body

Answer 20

Receptor

Question 21

reverses a change in a controlled condition

Answer 21

Negative feedback system

Question 22

strengthens or reinforces a change in a controlled condition

Answer 22

Positive feedback system