Chapter 6 Flashcards
What are some of the bone functions?
-form a sturdy frame work
-protect delicate structures
-work as levers with attached muscles
-store calcium salts in bone (which can be resorbed)
-produce blood cells (in red marrow)
How many bones are in the body?
206 bones
What is diaphysis?
The long narrow shaft of the long bone.
What helps osteoblast build cells?
Gravity and weight barring exercise.
What builds bone tissue?
Osteoblast.
What maintain bone tissue and are mature osteoblast?
Osteocytes.
What is responsible for the breakdown of bone tissue and resorption?
Osteoclasts.
What reflects the components of the matrix?
Bones hardness and strength.
What is the material between living bone cells?
Protein collagen.
Spongy bone has more __ than does compact bone.
Spaces.
Where is spongy bone found?
Epiphyses (ends) of long bone.
What is spongy bone made of?
Meshwork of small, bony plates filled with red marrow.