Skeletal System

Question 1

from Greek word meaning “dried-up body”

Answer 1

Skeleton

Question 2

The internal frame of the body

Answer 2

Skeletal System

Question 3

Bones of the Skeleton

Answer 3

▪ Joints
▪ Cartilages
▪ Ligaments (Fibrous cords that bind the bones
together at joints)

Question 4

Two divisions of Skeleton

Answer 4

Axial Skeleton
Appendicular Skeleton

Question 5

Bones that form the longitudinal axis of the body

Answer 5

Axial Skeleton

Question 6

The Bones of the Limbs and grindles that attach
them to the Axial Skeleton

Answer 6

Appendicular Skeleton

Question 7

The study of bone structure and the treatment f bone
disorder

Answer 7

Osteology

Question 8

The construction of new bone tissue and breaking
down of old bone tissue.

Answer 8

Remodeling

Question 9

Functions of the Skeletal System

Answer 9

Body support
Protection
Movement
Storage
Blood Cell Production
Triglyceride storage

Question 10

for bearing weight; major supporting tissue of
the body.

Answer 10

Bone

Question 11

provides a firm yet flexible support within
certain structures, such as the nose, external ear,
thoracic cage, and trachea.

Answer 11

Cartilage

Question 12

strong bands of fibrous connective
tissue that hold bones together.

Answer 12

Ligaments

Question 13

skeletal
muscles attach to bones

Answer 13

Tendons

Question 14

formed where two or more bones come
together, allow movement between bones.

Answer 14

Joints

Question 15

covers the ends of bones within
some joints, allowing the bones to move freely

Answer 15

Smooth cartilage

Question 16

allow some movement between bones
but prevent excessive movements.

Answer 16

Ligaments

Question 17

Minerals stored in our bones

Answer 17

(Calcium and Phosphorus)

Question 18

produces
red blood cells, white blood cells, and platelets, a
process called hemopoiesis.

Answer 18

Red Bone Marrow

Question 19

Blood making, blood cell
formation.

Answer 19

Hemopoiesis

Question 20

consists mainly of adipose
cells, which store triglycerides

Answer 20

Yellow bone marrow

Question 21

Components of the Skeletal System (Composition)

Answer 21

Bones
Joints
Cartilage
Ligaments
Tendons

Question 22

The adult skeleton is composed of how many bones?

Answer 22

206 bones

Question 23

Two Types of Bones

Answer 23

Compact bone
Spongy bone

Question 24

strongest form of bone tissue

Answer 24

Compact bone

Question 25

Small needle-like pieces of bone

Answer 25

Spongy bone

Question 26

has a long, thin shape. Examples include the bones of the arms and legs (excluding the wrists, ankles and kneecaps). With the help of muscles, long bones work as levers to permit movement.

Answer 26

long bone

Question 27

has a squat, cubed shape. Examples include the bones that make up the wrists and the ankles.

Answer 27

short bone

Question 28

has a flattened, broad surface. Examples include ribs, shoulder blades, breast bone and skull bones.

Answer 28

flat bone

Question 29

has a shape that does not conform to the above three types. Examples include the bones of the spine (vertebrae).

Answer 29

irregular bone

Question 30

a bone which form within tendons, are a
special type of short bone.

Answer 30

Sesamoid bones

Question 31

one of the most complex bones of
the human body, is classified as irregular bone

Answer 31

Sphenoid Bone

Question 32

shaft of the bone

Answer 32

diaphysis

Question 33

part of the bone that develops from a center of ossification distinct from the diaphysis

Answer 33

epiphysis

Question 34

double-layered connective tissue membrane covering the outer surface of bone except where articular cartilage is present

Answer 34

periosteum

Question 35

this connective tissue membrane lining the inner cavities of the bone

Answer 35

endosteum

Question 36

thin layer of hyaline cartilage covering a bone where it forms a joint (articulation) with another bone

Answer 36

articular cartilage

Question 37

cavity of the shaft on infants

Answer 37

Medullary Cavity

Question 38

portions of bone matrix

Answer 38

organic and inorganic portion

Question 39

component of the bone matrix that helps resist tension

Answer 39

Organic Portion

Question 40

specialized crystals called hydroxyapatite which
contains calcium and phosphate

Answer 40

Inorganic Portion