Bones and functions of the skeleton

Overview

The location of the major bones from the cranium to the metatarsals, and how the skeleton gives support, posture, protection, movement, blood cell production and mineral storage.

What you need to know

Answer each one before you reveal it.

Questions from this subtopic

Each one with the model answer underneath.

1. 1

   Where is the cranium, and which organ does it protect?

   Model answer

   The cranium is the domed part of the skull at the top of the head. The cranium encloses and protects the brain.

2. 2

   Where are the vertebrae found?

   Model answer

   The vertebrae are the stacked bones of the spine. The vertebrae run from the base of the skull down to the pelvis.

3. 3

   Where are the ribs and the sternum?

   Model answer

   The ribs are curved bones that wrap around the chest from the spine. The sternum is the flat breastbone at the front of the chest, where most ribs attach.

4. 4

   Name and locate the two bones of the shoulder girdle.

   Model answer

   The clavicle is the collarbone running across the front of the shoulder. The scapula is the flat, triangular shoulder blade at the back.

5. 5

   Which bones make up the arm?

   Model answer

   The humerus is the single bone of the upper arm. The radius and ulna are the two forearm bones, with the radius on the thumb side.

6. 6

   Which bones form the wrist, the hand and the fingers?

   Model answer

   The carpals are the small bones of the wrist. The metacarpals form the palm. The phalanges are the bones of the fingers.

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