Skeleton System

What are the jobs of the skeleton?

_{(Select all correct answers)}

• supports the body and give it shape

• makes red blood cells

• protects soft parts of the body

• store minerals

How many bones are in an adult human's body?

• 206

• 168

• 542

• 337

Which group of bones protects the eyes and brain?

• skull

• rib cage

• breastbone

• backbone

A joint is a place where two bones ___________________.

• come together

• fall apart

• hang out

• break

This strong, thread-like tissue holds two bones together at a joint.

• ligament

• blood vessel

• intestine

• nerve

Which organ system makes blood cells?

• Cardiovascular System

• Digestive System

• Skeletal System

• Respiratory System

Which of the following is NOT a function of the Skeleton System?

• providing shape and support for the body

• obtaining oxygen

• producing blood cells

• protecting internal organs

The spaces in bones are filled with a soft connective tissue called

• cartilage

• water

• blood

• marrow.

How does exercise help maintain healthy bones?

• by decreasing the need for calcium in the bones

• by making bones grow stronger and denser

• by decreasing the need for phosphorus in the bones

• by making bones produce stronger outer membranes

The _____ protects the lungs and the heart.

• brain

• skull

• bones

• ribs