Chapter 19

Question 1

epidermis

Answer 1

the outer layer of tissue in humans and many
animals

Question 2

dermis

Answer 2

The thick inner layer of the skin

Question 3

subcutaneous layer

Answer 3

The layer of fat and connective tis-
sues below the dermis of the skin that cushions and insulates
the body and attaches the skin to the muscles underneath

Question 4

melanin

Answer 4

A dark brown or black pigment that colors human skin

Question 5

cartilage

Answer 5

A flexible supporting tissue that makes up
part or all of some animals’ skeletons

Question 6

bone

Answer 6

The connective tissue that forms part of the strong
supporting structure of vertebrates

Question 7

osteon

Answer 7

A microscopic unit of a bone consisting of a blood vessel with layers of hard, nonliving material around it

Question 8

bone marrow

Answer 8

Q

Question 9

ligament

Answer 9

A band of connective tissue that holds bones together at a joint

Question 10

tendon

Answer 10

A band of connective tissue attaching muscle to
bone

Question 11

joint

Answer 11

A place where two or more bones meet

Question 12

voluntary muscle

Answer 12

A muscle that can be controlled at
will

Question 13

skeletal muscle

Answer 13

Striated, voluntary muscle tissue that
attaches to and moves the skeleton

Question 14

striated muscle

Answer 14

Muscle tissue that displays a pattern of
light and dark bands

Question 15

involuntary muscle

Answer 15

A muscle controlled automatically
by the brain, without conscious effort

Question 16

smooth muscle

Answer 16

Muscle tissue that lacks striations and forms the walls of many internal organs

Question 17

cardiac muscle

Answer 17

The striated, involuntary muscle found
in the heart