Biology Skeletal System FINALS

Question 1

is composed of 206 bones that, along with cartilage, tendons, and ligaments, make up the framework or skeleton of the body.

Answer 1

Skeletal system

Question 2

consists of 80 bones. The primary bones of the ______ are the skull, spine, ribs and sternum

Answer 2

Axial Skeleton

Question 3

means front

Answer 3

Anterior

Question 4

means back

Answer 4

Posterior

Question 5

consists of 126 bones. The primary bones of this skeleton are the shoulder or pectoral girdle, arms, hands, pelvic girdle, legs, and feet.

Answer 5

appendicular skeleton

Question 6

Function of bones

Answer 6

1. Bones provide shape, support, and the framework of the body.
2. Bones protect internal organs.
3. Bones serve as a storage place for minerals such as salts, calcium, and phosphorus.
4. Bones play an important role in hematopoiesis the formation of blood cells that takes place in bone marrow
5. Bones provide a place to attach muscles.
6. Bones make movement possible through articulation

Question 7

growing end

Answer 7

Epiphysis

Question 8

shaft

Answer 8

Diaphysis

Question 9

outside covering

Answer 9

Periosteum

Question 10

inner space containing bone marrow

Answer 10

Medullary

Question 10

inner space containing bone marrow

Answer 10

Medullary

Question 11

lining of medullary cavity

Answer 11

Endosteum

Question 12

is a place where two or more bones connect.

Answer 12

joint

Question 13

is a joint that allows no movement. An example would be a cranial suture.

Answer 13

synarthrosis

Question 14

) is a joint that allows slight movement. An example would be a vertebra.

Answer 14

amphiarthrosis

Question 15

is a joint that allows free movement in a variety of directions, such as knee, hip, elbow, wrist, and foot.

Answer 15

diarthrosis

Question 16

moving a body part away from the middle.

Answer 16

Abduction

Question 17

moving a body part toward the middle.

Answer 17

Adduction

Question 18

bending a limb

Answer 18

Flexion

Question 19

straightening a flexed limb

Answer 19

Extension

Question 20

lying supine or face upward; or turning the palm or foot upward.

Answer 20

Supination

Question 21

lying prone or face downward; or turning the palm downward.

Answer 21

Pronation

Question 22

moving a body part in a circular motion

Answer 22

Circumduction

Question 23

moving a body forward.

Answer 23

Protraction

Question 24

moving a body part backward.

Answer 24

Retraction

Question 25

bending a body part backwards

Answer 25

Dorsiflexion

Question 26

turning inward

Answer 26

Inversion

Question 27

turning outward

Answer 27

Eversion

Question 28

moving a body part around a central axis

Answer 28

Rotation

Question 29

sitting straight up or reclining slightly; legs straight or bent

Answer 29

Fowler’s position

Question 30

lying supine with head lower than feet

Answer 30

Trendelenburg position

Question 31

lying on your left or right side

Answer 31

Lateral recumbent

Question 32

is composed of separate bones called vertebrae, connected to form four spinal curves. A curve has more strength than a straight line, so can support the weight of the body and provide balance needed to walk.

Answer 32

vertebral column

Question 33

is the lower portion of the trunk of the body.

Answer 33

pelvis

Question 34

is an age-related loss of bone mass or density

Answer 34

Osteoporosis