Skeletal System - Bone Structure and Function

How does the skeleton support the body?

• Provides the structural framework

• Bones are thick

• Supports the weight of the body

• Bones are strong and can handle any type of force

Bone is one of the hardest substances in the body and some protect our vital organs (brain, heart, etc.)

• False

• True

Bones serve as a sight of ___ for most skeletal muscles.

• Osteons

• Attachment

• Lacunae

• Contraction

When muscles contract, they pull on the bones, which generates movement around a ___.

• Muscle

• Red Blood Cell

• Joint

• Osteoblast

What is the site for blood cell formation?

• Red Marrow

• Yellow Marrow

All of the following minerals are stored in the bones EXCEPT:

• Zinc

• Phosphorus

• Magnesium Salts

• Calcium

Bone cells are arranged in a circular pattern called ___.

• Osteoclasts

• Osteons

• Osteocytes

• Osteoblasts

Osteons provide the bone with strength to support & protect internal organs.

• True

• False

Osteocytes (mature bone cells) are located in the small bony chamber called the ___.

• Periosteum

• Compact Bone

• Endosteum

• Lacunae

What is the function of an osteocyte?

• Destroy cells

• Maintain daily activities of bone tissue (nutrient & waste exchange)

• Help bones move

• Form cells