Chapter 4- The Body Systems

What is the purpose of bones?

• They provide your body's structure

• They protect your organs

• They store important minerals

• They produce blood cells

• All of the above

How are bones joined?

• With blood

• With skin

• With joints

There are 3 types of joints. The most flexible joint is...

• hinge

• ball and socket

• pivot

Your knee is an example of a _____ joint.

• hinge

• ball and socket

• pivot

Your shoulder is an example of a ____ joint.

• hinge

• ball and socket

• pivot

Your elbow is an example of a _____ joint.

• hinge

• ball and socket

• pivot

The ______ hold the joint together.

• bones

• ligaments

• rubberbands

There are 3 types of muscles: Smooth, Skeletal, and _____.

• Cardiac

• Ankle

• Abs

These muscles are "involuntary"- They work without you thinking about them.

• Cardiac

• Smooth

• Skeletal

The central nervous system is made up of your brain and your _______.

• stomach

• spinal cord