The Human Skeleton

What is the primary function of the human skeleton?

• Circulation

• Protection of soft organs

• Digestion

• Respiration

Which part of the skeleton protects the brain?

• Spine

• Ribcage

• Cranium

• Pelvis

How many bones are there in a typical adult human skeleton?

• 106

• 206

• 306

• 406

Which of the following is the longest bone in the human body?

• Humerus

• Femur

• Tibia

• Radius

What is the function of the ribcage?

• To support the body

• To protect the heart and lungs

• To aid in movement

• To produce blood cells

Which of the following is NOT a function of the skeleton?

• Producing hormones

• Supporting the body

• Protecting organs

• Enabling movement

The bones in the legs are similar to the bones in the arms because both have:

• Flat bones

• Long bones

What is a joint?

• A place where two muscles meet

• A place where two bones meet

• A place where muscles and bones meet

• A place where bones and skin meet

What type of joint is found in the shoulder?

• Hinge joint

• Ball-and-socket joint

• Pivot joint

• Gliding joint

The elbow is an example of which type of joint?

• Fixed joint

• Hinge joint

• Ball-and-socket joint

• Saddle joint