bones/muscle

Question 1

how many bones do adults have?

Answer 1

206

Question 2

what are the two parts of the skeletal system?

Answer 2

axial and appendicular skeleton

Question 3

what do bones do

Answer 3

-provide framework for body
- protect internal organs
-store calcium/other minerals

Question 4

FLAT bones

Answer 4

protection, support, and red blood cell production

Question 5

SESAMOID bones

Answer 5

embedded within tendons, mechanical support, reduce friction & protect tendons

Question 6

what is scoliosis?

Answer 6

abnormal sideways curvature of the spine

Question 7

what is kyphosis?

Answer 7

abnormal posterior curvature: HUNCHBACK

Question 8

what is lordosis?

Answer 8

abnormal anterior curvature: SWAYBACK

Question 9

tell me about osteoblasts (bone forming cells)

Answer 9

secrete matrix of bone (collagen) and promotes the deposition of calcium salts into the matrix

Question 10

tell me about osteocytes (mature bone cells)

Answer 10

when osteoblasts surround themselves with calcified matrix, they become osteocytes within lacunae

Question 11

tell me about osteoclasts (bone-absorbing cells)

Answer 11

breaks down bone; return calcium and phosphate to the blood

Question 12

what are dental caries?

Answer 12

tooth decay, cavities

Question 13

what is gingivitis?

Answer 13

inflammation of the gums; can spread to the periodontal membrane, causing loosening of the teeth