Ch 46 Vocab

Question 1

Skeletal muscle

Answer 1

Voluntary muscle, attached to bones by tendons, that moves part of the body

Question 2

Connective tissue

Answer 2

Body tissue that supports and holds body structures together

Question 3

Smooth muscle

Answer 3

Elongated, spindle-shaped involuntary muscles (except cardiac muscles)

Question 4

Epithelial tissue

Answer 4

Tissue composed of cells that create a solid sheet that covers a body part

Question 5

Axial skeleton

Answer 5

The backbone, skull, and associated bones of vertebrates

Question 6

Bone marrow

Answer 6

The soft tissue in the center and ends of long bones where blood cells are produced

Question 7

Compact bone

Answer 7

The layer of bone just beneath the periosteum that gives the bone its strength

Question 8

Appendicular skeleton

Answer 8

In vertebrates, the bones that form the limbs

Question 9

Epiphyseal plate

Answer 9

The site of bone elongation at the ends of long bones

Question 10

Haversian canal

Answer 10

A channel containing nerves and blood vessels making up compact bone

Question 11

Ligament

Answer 11

A connective tissue in a joint

Question 12

Ossification

Answer 12

Process by which cartilage is converted to bone

Question 13

Osteocyte

Answer 13

A living bone cell

Question 14

Periosteum

Answer 14

The tough outer membrane of a bone; the point where tendons attach muscles to bones

Question 15

Spongy bone

Answer 15

The lacy network of connective tissue in the center of the bone

Question 16

Synovial fluid

Answer 16

The fluid within the synovial joint

Question 17

Actin

Answer 17

One of the two protein filaments in a muscle cell that functions in contraction

Question 18

Extensor

Answer 18

A muscle that straightens a joint

Question 19

Flexor

Answer 19

A muscle that Bends a joint

Question 20

Insertion

Answer 20

The attachment point of a tendon to a moving bone

Question 21

Myofibril

Answer 21

A contracting thread in a skeletal muscle

Question 22

Myosin

Answer 22

The thick protein filament of a sarcomere

Question 23

Origin

Answer 23

Attachment point of a tendon to a stationary bone

Question 24

Cardiac muscle

Answer 24

The involuntary muscle of the heart

Question 25

Sarcomere

Answer 25

The basic contractile unit of skeletal and Cardiac muscle that is the portion of the Myofibril between two adjacent Z lines

Question 26

Striation

Answer 26

A joint

Question 27

Tendon

Answer 27

A tough, solid band of connective tissue that supports and connects body parts

Question 28

Z-line

Answer 28

Boundary of a sarcomere; point of anchor go thin actin filaments

Question 29

Fascicle

Answer 29

A sense bundle or skeletal muscle fibers

Question 30

Dermis

Answer 30

Outer layer of skin

Question 31

Epidermis

Answer 31

A layer of cells that forms a continuous sheet over the outer surface of a plant or animal

Question 32

Exocrine gland

Answer 32

A gland that secretes no hormonal chemicals through a duct

Question 33

Keratin

Answer 33

A protein that forms hair, bird feathers,human fingernails and the horny scales of reptiles

Question 34

Melanin

Answer 34

A hormone that probably regulates sleep patterns

Question 35

Sebum

Answer 35

NOT IN THE BOOK