Worksheet: The Human Skeleton

In this worksheet, we will practice identifying the functions of the human skeleton.

Q1:

Pick one way to keep our bones strong and healthy.

  • AEat lots of foods containing calcium.
  • BEat lots of foods containing vitamin C.
  • CEat lots of foods containing sugar.

Q2:

The skeleton has three main functions (jobs). It gives our bodies shape and protects our organs. Which of these is the third function of the skeleton?

  • AIt helps us move.
  • BIt helps us run fast.
  • CIt maintains our body temperature.

Q3:

What attaches our muscles to our bones?

  • ATendons
  • BSkin
  • CJoints

Q4:

This is a human skeleton.

What bone(s) does the label show?

  • ARibs
  • BFemur
  • CHips
  • DKnee

What organ(s) do these bones protect?

  • AThe lungs
  • BThe kidneys
  • CThe brain
  • DThe heart

Q5:

What is the longest bone in the human body?

  • AThe tibia
  • BThe radius
  • CThe humerus
  • DThe femur

Q6:

What joint is shown in the X-ray?

X-ray film of shoulder-72 ppi
  • AShoulder
  • BElbow
  • CWrist
  • DKnee

Q7:

Select the correct bone to complete the label.

Which bone does the label show?

  • AThe ribs
  • BThe hips
  • CThe skull
  • DThe shoulders

Which organ does this bone protect?

  • AThe lungs
  • BThe brain
  • CThe heart
  • DThe liver

Q8:

This is a human skeleton.

What is the name of the bone that completes the label?

  • AFibula
  • BFemur
  • CKnee
  • DTibia

This bone helps support our body weight. It has another important job. What is it?

  • AIt helps us balance.
  • BIt helps us stand and walk.
  • CIt helps us turn our head.
  • DIt helps us write.

Q9:

Which joint is shown in the X-ray?

X-ray picture showing knee joints-72 ppi
  • AThe wrist
  • BThe shoulder
  • CThe hip
  • DThe knee

Q10:

The diagram shows the different types of joints we have in our bodies. Which type of joint is the shoulder?

  • AHinged
  • BBall and socket
  • CImmovable

Q11:

The diagram shows a human rib cage. Which organ do the ribs protect?

  • AThe brain
  • BThe intestines
  • CThe lungs

Q12:

The diagram shows X-ray images of an elbow, wrist, knee, and ankle.

These are all places in the body where bones meet.

What name is given to these parts of the skeleton?

  • AOrgans
  • BJoints
  • CMuscles

Q13:

The long bones in the leg help keep us standing upright and support our body weight.

Use the diagram to help identify these three long leg bones.

  • AThe fibula, tibia, and patella
  • BThe femur, fibula, and patella
  • CThe femur, fibula, and tibia

Q14:

Which bone protects the brain?

  • AThe cranium
  • BThe calcium
  • CThe cerebellum

Q15:

We call the parts of the body where two or more bones fit together joints.

What is the function of joints?

  • AThey protect important organs in the body.
  • BThey allow us to move different parts of the body.
  • CThey help maintain the body posture.

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