Skeletal System Quiz

How many bones does the human body have at birth?

• 206

• 250

• 300

• 400

By what age are most bones fully fused into 206 adult bones?

• 18

• 21

• 25

• 30

Bone mass makes up approximately what percent of total body weight?

• 10%

• 15%

• 20%

• 25%

Which of the following is not a component of the skeletal system?

• Bones

• Cartilage

• Joints

• Ligaments

The skeletal system provides:

• Hormone regulation

• Movement and support

• Nutrient absorption

• Digestive functions

The periosteum is:

• The bone’s inner cavity

• The outer membrane containing nerves and blood vessels

• Bone marrow

• Cartilage lining joints

Which is a function of bones?

• Producing insulin

• Producing blood cells

• Controlling temperature

• Storing glycogen

Bone tissue is best described as:

• Static and unchanging

• Soft and flexible

• Dynamic and constantly remodeling

• Non-mineralized

Which connective structures assist bones in movement?

• Ligaments, tendons, and muscles

• Skin and hair

• Glands and nerves

• Cartilage and blood vessels

The mineralization of bone provides:

• Color

• Rigidity and strength

• Elasticity

• Flexibility