Bones, Muscles and Skin

The bones in movable joints are held together by strong connective tissues called _________________.

• ligaments

• cartilage

• muscles

• tendons

Which instrument allows doctors to look inside joints?

• 
• 
• 
• 

The joint in your shoulder is an example of a ______________________.

• ball and socket joint

• pivot joint

• hinge joint

• gliding joint

From smallest to largest, the body's levels of organization are

• cell, organ, tissue, and organ system.

• cell, organ, organ system, and tissue.

• tissue, cell, organ, and organ system.

• cell, tissue, organ, and organ system.

Muscles that are NOT under your conscious control are

• voluntary muscles.

• involuntary muscles.

• skeletal muscles.

• muscle pairs.

How does the structure of the vertebral column enable it to be flexible?

• It is made of small bones that adjust as you move.

• It is made of one bone that can bend.

• It is made of two large bones connected by a movable joint.

• The vertebral column isn't flexible.

How does your skin help eliminate waste materials?

• The many blood vessels that run through skin carry away wastes.

• Perspiration contains dissolved waste materials.

• The nerves in the skin help get rid of wastes.

• Exposure to sunlight causes skin cells to release wastes.

Your wrist is an example of a

• gliding joint.

• pivot joint.

• hinge joint.

• ball-and-socket joint.

The body's surfaces are covered with

• connective tissue.

• muscle tissue.

• epithelial tissue.

• nerve tissue.

Red blood cells are produced in the...

• 
• 
• 
•