Bones & Muscles

Question 1

Functions of skeletal system

Answer 1

• support
• storage of minerals (ca++, P)
• RBC production
• protection
• levers

Question 2

Examples of long bones

Answer 2

femur, humerus, ulna, radius, metacarpals

Question 3

Diaphysis

Answer 3

tubular shaft of bone (compact)

Question 4

Epiphysis

Answer 4

expanded area at the end of bone (spongy)

Question 5

Metaphysis

Answer 5

narrow junction that connects diaphysis & epiphysis

Question 6

example of flat bones

Answer 6

found in skull, sternum, ribs and scapula

Question 7

what are flat bones

Answer 7

sandwhich of spongy bone between 2 layers of compact bone (no medullary cavity)

Question 8

what are sutural bones

Answer 8

small, irregular bones between the flat bones of the skull

Question 9

what are irregular bones

Answer 9

complex shapes such as spinal vertebrae and pelvic bones

Question 10

what are short bones

Answer 10

small & thick bones; ankle and wrist bones (talus, carpals and tarsals)

Question 11

What are sesamoid bones

Answer 11

small flat bones that develop inside tendons

near joints of knees, hands and feet (ex. patella)

Question 12

Diaphysis

Answer 12

long shaft

Question 13

Epiphysis

Answer 13

wide part at each end where it articulates

Question 14

what is the matrix of bone

Answer 14

contains deposits of calcium salts and osteocytes