Bone Functions
what function of the skeletal system protects organs such as the brain
what is protection
What is the shaft of a long bone called?
Diaphysis
Which bone cell builds new bone?
Osteoblast
What are the structural units of compact bone called?
Osteons
How many bones does the typical adult skeleton have?
206
what type of bone marrow is responsible for blood cell formation?
what is Red bone marrow
What are the ends of a long bone called?
Epiphyses
Which bone cell maintains bone tissue?
Osteocyte
What are the ring-shaped layers within an osteon called?
Lamellae
What bone is commonly called the kneecap?
Patella
What does yellow bone marrow primarily store?
what is Triglycerides/fat
What membrane covers the outside of a bone?
Periosteum
Which bone cell breaks down bone?
Osteoclast
What structures contain osteocytes?
Lacunae
What bone is the upper-arm bone?
Humerus
What minerals are stored in bone and help maintain electrolyte and acid-base balance?
Calcium, phosphorus, and magnesium salts
What is the hollow space inside the shaft of a long bone called?
Medullary cavity
What happens to an osteoblast when it becomes surrounded by bone matrix?
It becomes an osteocyte.
What tiny canals connect lacunae?
Canaliculi
What two bones make up the lower leg?
Tibia and Fibula
How do bones help produce movement?
How do bones help produce movement?
What type of bone is hard, dense, and forms the outer portion of a bone?
Compact bone
Which bone cell is responsible for bone resorption?
Osteoclast
What canal contains blood vessels and nerves at the center of an osteon?
Central canal
What are the two major divisions of the skeleton?
Axial skeleton and appendicular skeleton