Ch 1: Characteristics of Life

Question 1

metabolism

Answer 1

sum of all chemical reactions in body

Question 2

movement

Answer 2

change in position of body or of a body part; motion of an internal organ
(ex: heart contracting)

Question 3

responsiveness

Answer 3

reaction to a change inside or outside the body
(ex: shivering, sweating)

Question 4

growth

Answer 4

increase in body size without change in shape

Question 5

respiration

Answer 5

obtaining oxygen, removing carbon dioxide, and releasing energy from food
(ex: breaking things down like glucose)

Question 6

digestion

Answer 6

breakdown of food into simpler forms that can be absorbed and used

Question 7

two types of digestion

Answer 7

mechanical (tongue, teeth) and chemical (enzyme, saliva)

Question 8

absorption

Answer 8

passage of substances through membranes and into body fluids

Question 9

assimilation

Answer 9

changing of absorbed substances into different chemical forms
(breaking down bigger substances into fundamental components)

Question 9

circulation

Answer 9

movement of substances in body fluids

Question 10

excretion

Answer 10

removal of wastes produced by metabolic reactions
(by product of excess from metabolism)

Question 11

reproduction

Answer 11

production of new organisms and new cells
(sexual = most common because of GENETIC VARIETY)