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Science in English

Questions and practice

Bones and Muscles

Look at the illustrations, choose an answer and read the explanation. Observation and open discussion tasks appear inside the presentation.

الأسئلة داخل العرض

1

When the arm bends in the model, what happens to the front muscle of the upper arm?

A model of part of a bent arm, with a coral front muscle, a teal back muscle and pale tendons connecting the muscles to bones.

2

Which description matches straightening the arm?

A simplified model of part of the arm as the forearm straightens; the front muscle is longer and the back muscle is more prominent.

3

How do muscles move bones?

A model of part of a bent arm, with a coral front muscle, a teal back muscle and pale tendons connecting the muscles to bones.

4

What is the name of the place where bones meet and where bending and straightening happen?

A simplified side-view anatomical illustration showing the upper-arm bone meeting the ulna and radius at the elbow, with pale supporting tissue around the joint.

5

Which sequence correctly explains how a bone moves?

A model of part of a bent arm, with a coral front muscle, a teal back muscle and pale tendons connecting the muscles to bones.

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