Unit 1.1.a- The Structure and Function of the Skeletal System

Question 1

(BIG) Blood cell production

Answer 1

Certain bones in the skeleton contain bone marrow which produces red blood cells, white blood cells and platelets. Examples of bones that contain bone marrow are the pelvis, sternum, humerus and the femur.

Question 2

(SOUR) Support

Answer 2

The skeleton keeps the body upright and provides a framework for muscle and tissue attachment.

Question 3

(PINEAPPLES) Posture

Answer 3

The skeleton gives the correct shape to our body.

Question 4

(MAKE) Movement

Answer 4

The skeleton allows movement allows movement of the body as a whole and its individual parts. The bones form joints and act as levers, allowing muscles to pull on them to produce movement. The bones of the skeleton provide surfaces for the attachment of muscles.

Question 5

(PEOPLE) Protection

Answer 5

The bones of the skeleton protect the internal organs and reduce the risk of injury on impact. For example, the cranium protects the Brain, the ribs offer protection to the heart and lungs, the vertebrae protects the spinal chord and the pelvis offers protection to the sensitive reproductive organs.

Question 6

(SICK) Storage of minerals

Answer 6

The bones store minerals such as calcium, iron, potassium and phosphorous and release them into the blood when the body needs to use them.