TEST 4-Skeletal System Flashcards
1
Q
Cartilage
A
more flexible (breathing, nose and ears [because they stick out of our faces]) padding to keep bones from grinding
2
Q
blast-
A
to build
3
Q
Bone
A
made out of minerals [45%], water [25%], and living cells [30%]
4
Q
Periosteum
A
outside/bone
layer of living tissue that surrounds bone
5
Q
Osteocytes
A
in the periosteum
bone/cell
general maintenance
6
Q
Osteoblasts
A
builds bone, stores calcium
in the periosteum
7
Q
Osteoclasts
A
break bone down, release minerals
too much>osteoperosis
in the periosteum
8
Q
Living Cells
A
periosteum
bone marrow
9
Q
Bone Marrow
A
red-spongy, produces all blood cells, on the ends
white-fat storage (middle)
10
Q
Types of Bones
A
long, short, flat, irregular
11
Q
Movement
A
joints and muscles
12
Q
Types of Joints
A
hinge, ball and socket, gliding, floating, fixed, special combination
13
Q
Muscles
A
connective tissues
tendons-connect bone and muscles
ligaments-connect bone and bone
14
Q
Functions
A
support protects organs (heart, lungs, brain) movement storage of minerals produces red and white blood cells
