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Year 8 · Physical education · The body and exercise · Lesson 1

Bones, muscles and movement

Functions of the skeleton, hinge and ball and socket joints, antagonistic muscle pairs, key muscles, tendons and ligaments.

Whiteboard video lesson: Bones, muscles and movement

13-minute video lesson

Teaching, worked examples and 20 practice questions solved step by step.

Watch free for a month

What your child will learn

  • Describe skeleton functions
  • Identify joint types
  • Explain antagonistic pairs
  • Name key muscles

The method

  1. Name the bone or joint.
  2. Name the muscle.
  3. Agonist contracts.
  4. Antagonist relaxes.

Key words: skeleton, hinge joint, agonist, antagonist, tendon.

Worked examples

The first three practice questions from the lesson, with every step.

Question 1

What protects the brain?

  1. Step 1: the skull

Answer: the skull

Question 2

What protects the heart and lungs?

  1. Step 1: the ribs (rib cage)

Answer: the ribs (rib cage)

Question 3

Where are blood cells made?

  1. Step 1: in the bone marrow

Answer: in the bone marrow