Functions of the skeleton

Question 1

Viscous

Answer 1

A thick solution; somewhere between a solid and a liquid.

Question 2

Concave

Answer 2

Curving inwards.

Question 3

Convex

Answer 3

Curving outwards.

Question 4

Why is ‘support’ useful in sport?

Answer 4

Holds body weight or added weight on the body.

Question 5

Why is ‘reduced friction’ useful in sport?

Answer 5

Reduces injuries.

Question 6

Why is ‘protection’ useful in sport?

Answer 6

Prevents serious injuries.

Question 7

Why is ‘mineral storage’ useful in sport?

Answer 7

Maintains bone strength or increases the strength due to osteoblasts.

Question 8

Why is ‘blood cell production’ useful in sport?

Answer 8

Carrie oxygen so therefore increases oxygen capacity.

Question 9

Why is ‘attachment for muscles’ useful in sport?

Answer 9

Enhances movement and power in the muscles.

Question 10

Why is ‘leverage’ useful in sport?

Answer 10

Moves around and uses up the body’s energy stores.

Question 11

Why is ‘weight bearing’ useful in sport?

Answer 11

Stop muscle and bone strain.

Question 12

Joints

Answer 12

Where two or more bones meet. There is around 350 joints in the body.

Question 13

Three types of joints?

Answer 13

Fixed, slightly moveable and synovial (freely moveable).

Question 14

Joint capsule

Answer 14

Outer sleeve to help hold the bones in place and protect the joints.

Question 15

Bursa

Answer 15

Small fluid filled sac which provided a cushion between tendons and bone. REDUCES FRICTION BETWEEN TENDONS.

Question 16

Cartilage

Answer 16

Provides a smooth and slippery covering to stop bones grinding together.

Question 17

Synovial fluid

Answer 17

Viscous liquid that lubricates joints and reduced friction.

Question 18

Synovial membrane

Answer 18

Capsule lining that releases synovial fluid.

Question 19

Ligaments

Answer 19

Holds bones together and keeps them in place.

Question 20

Function of the skeleton; PROTECTION

Answer 20

Cranium and ribs protect the vital organs.

Question 21

Function of the skeleton; SHAPE

Answer 21

Gives shape to the body to either make someone tall or short.

Question 22

Function of the skeleton; SUPPORT

Answer 22

Holds vital organs in place when doing sport, the vertebrae column holds the body upright.

Question 23

Function of the skeleton; MOVEMENT

Answer 23

Muscles are attached to bones, which are jointed. When muscles contract the bones move.

Question 24

Function of the skeleton; BLOOD CELL PRODUCTION

Answer 24

Red blood cells carry oxygen.

White blood cells protect against infections.