biology 1150 test two (skeleton physiology) Flashcards
1
Q
bone has a _____ outer surface and _______ inner surface
A
compact / spongy
2
Q
______ bone contains red marrow and yellow marrow
A
spongy
3
Q
all marrow is _____ at birth
A
red
4
Q
joint are bone-bone or ____ -_____
A
bone-cartilage
5
Q
ligaments are ______-_____ connections
A
bone-bone
6
Q
tendons are ____-______ connections
A
bone-muscle
7
Q
osteocytes
A
living bone cells
8
Q
osteoblasts
A
bone forming cells, transform caritlage into bone
9
Q
osteoclasts
A
remove bone tissue
10
Q
fibroblasts
A
connective tissue cells, secrete collagen fibers
11
Q
PTH is released when blood calcium levels ______
a. decrease
b. increase
c. is stable
d. is unchanged
A
a. decrease
12
Q
A