Functions of skeleton

Question 1

what are the functions of the skeleton

Answer 1

1. Framework
2. movement
3. Protection of vital organs
4. Storage for mineral salts and fats
5. Blood cell production

Question 2

describe how the skeleton provides the body’s framework

Answer 2

It gives shape and form to the body. Bones provide points for attachment of muscles

Question 3

describe how the skeleton provides movement for the body

Answer 3

When muscles contract they allow movement to take place. Articulation allows different degrees of motion which depends on the bones involved. The skeleton determines the extent of movement

Question 4

describe how the skeleton provides protection for the body

Answer 4

the skeleton provides protection for the vital organs. This includes the brain protected by the skull and the spinal cord by the vertebrae.

Question 5

describe how the skeleton provides storage of mineral salts and fats for the body

Answer 5

The skeleton stores mineral, salts and fat. They store calcium, potassium, sodium and phosphorus and are distributed by the circulatory system

Question 6

describe how the skeleton produces red blood cells from the body

Answer 6

The red marrow within bones contains stem cells that can differentiate into blood cells. Certain factors determine whether they become red blood cell, white blood cells or platelets

Question 7

what is the appendicular skeleton and how many bones does it have

Answer 7

The appendicular skeleton consists of the lower and upper body limbs. It includes the shoulder and pelvic girdle. It consists of 80 bones

Question 8

what is the axial skeleton and how many bones does it have

Answer 8

The axial skeleton is the central axis of the body, It is the main support for erect posture. Protects the central nervous system and includes the skull, vertebral column, ribs and sternum and makes up 126 bones

Question 9

what is articulation

Answer 9

the movement of a joint

Question 10

where is red bone marrow located in the bones

Answer 10

in spongy/cancellous bone

Question 11

where is yellow bone marrow located in the bones

Answer 11

the medullary cavity

Question 12

The vertebral column is divided into 5 sections. List these sections

Answer 12

• cervical vertebrae
• thoracic vertebrae
• lumbar vertebrae
• sacral vertebrae
• coccyx vertebrae

Question 13

what are the minerals stored in bones

Answer 13

• potassium
• sodium
• phosphorus
• calcium