Skeletal system

Question 1

How many bones do you have?

Answer 1

206

Question 2

How many bones in a fetus

Answer 2

275

Question 3

Functions of skeletal

Answer 3

Support, protection, movement, mineral storage, blood cell production, storage of energy

Question 4

Axial skeleton

Answer 4

Skull
Spinal column
Sternum
Rib

Question 5

Appendicular skeleton

Answer 5

Hips
Shoulders
Limbs
Clavicle

Question 6

Long bones vs Short bones

Answer 6

Longer than it is short- long (phalanges)

As long as they r wide- short (cranium)

Question 7

Flat Bones vs irregular bones vs sesamoid

Answer 7

Thin and curved to protect internal organs- flat (scapula, cranium, pelvis)

Vary in shapes and protect organs-irregular (vertebrae, facial bones)

Formed in embedded within a muscle/tendon near a joint-sesamoid (patella)

Question 8

Bone structure

Answer 8

Compact bone - outer structure (solid bone that doesn’t bend easily)

Spongy bone - inner structure (covers the space where the bone marrow is stored)

Question 9

Structures of the long bone

Answer 9

Epiphyseal plate: cartilage - GROWTH PLATE

Articular cartilage- covers epiphysis and facilitates joint movement

Medillary cavity- inner hollow cavity along diaphysis containing bone marrow

Question 10

All the rib types and number of ribs

Answer 10

True rib- joined to spinal column and sternum (7)

False rib- attached to spinal column and 7 rib (3)

Floating ribs- do not attach to sternum or other ribs (2)

Question 11

Vertebral Column sets

Answer 11

Cervical (neck)-7
Thoracic (Midback)-12
lumbar (lower back)-5
sacral (5 fused vertebrae)
coccyx (tailbone)- 4 fused vertebrae

SEPARATED BY THICK DESKS THAT CUSHION THE VERTEBRAE FOR MOVEMENT AND FLEXIBILITY

Question 12

Bones in the skull

Answer 12

1) frontal bone (forehead)
2) mandible (jaw)
3) occipital (very base of your skull)
4) temporal (temples)
5) parietal (main top surface of the skull)