Skeletal System

Question 1

Hydrostatic skeleton make-up

Answer 1

Water

Question 2

Exoskeleton make-up

Answer 2

Chitin

Question 3

Endoskeleton make-up

Answer 3

Cartilage and bone

Question 4

Which skeleton is more refined

Answer 4

Endoskeleton

Question 6

List the microscopic structure of bone tissue

Answer 6

Haversian canal
Lacuna
Carnalicula

Question 7

Two most numerous minerals in bones

Answer 7

Calcium
Phosphorus

Question 8

Protein found in the bone

Answer 8

Ossein

Question 9

Open space between the cranium bones for new borns

Answer 9

Fontanelle

Question 10

All sutures

Answer 10

Frontal
Coronal
Sagittal
Lambdoidal
Posterior frontal

Question 11

Different bones of Cranium(brainbox)

Answer 11

Frontal
Parietal
Occipital
Temporal

Question 12

Facial bones

Answer 12

Orbit
Maxilla
Mandible
Zygomatic arch

Question 13

Under the Cranium and function:

Answer 13

Foremen Magnum: entrance for spinal cord
Articular Condyle: allows head movement

Question 14

Teeth and function

Answer 14

Incisors: cutting
Canines: ripping
Molar: grinding

Question 15

Diastema

Answer 15

Space so tong can move from cheek back to chew

Question 16

Spinal column placement and amount of bones

Answer 16

Cervical (neck) 7
Thoracic (lungs) 12
Lumbar (lower back) 5
Sacrum (pelvis) 5
Coccyx (Tailbone) 4

Question 17

Vertebra structure

Answer 17

Neural spine (bumps)
Spinal cords (gap for spinal cord)
Transverse process (connects ribs)
Centrum

Question 18

Cartilage between vertebra and function

Answer 18

Intervertebral cartilaginous disc: allows movement and prevents friction

Question 19

Functions of atlas and axis

Answer 19

Atlas rests the skull
Axis rotates atlas for gestures

Question 20

Functions of the ribs

Answer 20

Protect heart and lungs
Changes volume for intercostal muscles

Question 21

Humerus fits into the

Answer 21

Glenoid cavity

Question 22

How have legs adapted to human bipedal walk

Answer 22

Big toe is parallel to other toes for balance
Knees absorb shock
Femur is angled inwards for walking
Pelvis is shot and wide to support upper body

Question 23

Structure of long bone

Answer 23

Epiphysis (red marrow)
Metaphysis
Diaphysis (yellow marrow)

Question 24

Flat bone function:

Answer 24

Protect or muscle attachment: ribs

Question 25

Short bones function:

Answer 25

Stability: carpals

Question 26

Irregular shape

Answer 26

Protect and muscle attachment: vertebrae

Question 27

Sesamoid bones

Answer 27

Developed in tendon: patella

Question 28

Tissues in the skeleton:

Answer 28

Cartilage: prevents friction for bones
Tendons: muscle to bone
Ligaments: bone to bone
Muscles

Question 29

Covers the ends of the bone

Answer 29

Hyaline cartilage

Question 30

Joint capsule

Answer 30

Encloses joints

Question 31

Encloses capsule

Answer 31

Synovial membrane

Question 32

Prevents friction

Answer 32

Synovial fluid