Human Skeletal Anatomy

Question 1

Functions of Skeleton

Answer 1

1. Support
2. Protection
3. Locomotion
4. RBC Production (Stem Cell -> Red Blood Cells)
5. Mineral Storage

Question 2

Structural components of bones

Answer 2

Cartilage, 206 bones, tendons (muscle to bone), ligaments (bone to bone), and joints.

Question 3

Skull

Answer 3

Cranium and mandible

Question 4

Cranium

Answer 4

All bones in head, apart from mandible.

Question 5

Sutures

Answer 5

Space in between bones

Question 6

Coronal sutures

Answer 6

Fuses frontal bone with the two parietal bones, side to side.

Question 7

Sagittal suture

Answer 7

Fuses both parietal bones together, back to front.

Question 8

Squamosal suture

Answer 8

On the side

Question 9

Lambodial suture

Answer 9

Fuses the occipital bone to the two parietal bones, on the back.

Question 10

Bones of the skull

Answer 10

Temporal bones, frontal bone, parietal bones, and occipital bone.

Question 11

Pelvic gridle

Answer 11

Ilium, ischium, and pubis.

Question 12

Human dentition

Answer 12

Heterodonty, Incisors: 2, canines: 1, pre-molars: 2, and molars: 3.

Question 13

Vertebral column

Answer 13

S-curve in humans, balance body, better weight distribution, allows range of movement, and protects spinal cord.

Question 14

Divisions of vertebral column

Answer 14

7 cervical vertebrae 
12 Thoracic vertebrae 
5 lumbar vertebrae 
5 fused vertebrae, Sacrum 
Coccyx

Question 15

Bones of the chest

Answer 15

Ribs (12)

Sternum

Question 16

shoulder girdle

Answer 16

Clavicle, scapula, and humerus

Question 17

Upper limb

Answer 17

Humerus, radius, and ulna

Question 18

Hand and wrist

Answer 18

8 carpals, 5 metacarpals, and 14 phalanges.

Question 19

Lower limb

Answer 19

Femur (thigh), patella (knee cap), tibia, and fibula (leg).

Question 20

Foot and ankle

Answer 20

7 tarsals, 5 metatarsals, and 14 phalanges.

Question 21

Morphological features of bipedalism

Answer 21

Arch on foot for shock absorption, s curves spine for greater balance, position of foremen magnum, and alignment of femur.