Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
Functions of the skeletal system
|
1.Support
2.Protection 3.movement 4.storage 5.blood cell production |
|
|
Bone
|
hard and rigid
|
|
|
Cartilage
|
flexible yet strong
|
|
|
Where is Cartilage located?
|
nose
external ear thoracic cage trachea |
|
|
Ligaments
|
bone to bone
|
|
|
Protection
|
skull around brain
ribs sternum vertebrae protect organs of thoracic cavity |
|
|
How is movement produced
|
produced by muscles on bones(tendons)
|
|
|
tendons
|
bone to muscles
|
|
|
How do ligaments allow movement to bones
|
alllow some movement between bones but prevent excessive movement
|
|
|
what is stored in bones
|
Ca and P. and fat
|
|
|
How is ca and P stored in the bone?
|
stored then released as needed.
|
|
|
How is fat stored in the bone?
|
Fat stored in marrow cavities
|
|
|
Blood cell production
|
Bone marrow that gives rise to blood cells and platelets
|
|
|
Components of skeletal system
|
bone
cartilage tendons ligaments |
|
|
Three types of cartilage found in bones
|
hyaline
fibrocartilage elastic |
|
|
what is in the hyaline cartilage
|
specialized cells that form matrix
|
|
|
what are the specialized cells that form matrix
|
chondroblast
chondrocytes |
|
|
chondroblast
|
form matrix
|
|
|
chondrocyte
|
surrounded by matrix: are lacunae
|
|
|
matrix
|
callogen fibers for strength
|
|
|
proteoglycan
|
for resiliency
|
|
|
whats in matrix
|
collagen
proteoglycan |
