Skeletal system

Question 1

What are the functions of the skeletal system?

Answer 1

Support the body when standing, sitting and laying down
Protect organs
Movement
Blood production in bone marrow
Mineral storage in bone marrow

Question 2

How do bones grow?

Answer 2

Cartilage in the embryo goes through ossification to become mature bone.

Question 3

What are the spine numbers in order?

Answer 3

7
12
5
5
4

Question 4

What are the spine names?

Answer 4

Cervical
Thoracic
Lumbar
Sacrl
Coccyx

Question 5

What is a long bone?

Answer 5

Used in the main movements in our body (acts as levers).

Question 6

What is an example of a long bone?

Answer 6

Fibula

Question 7

What is a short bone?

Answer 7

Used for weight-barring and fine movements.

Question 8

What is an example of a short bone?

Answer 8

Phalanges

Question 9

What is a flat bone?

Answer 9

Used to protect organs.

Question 10

What is an example of a flat bone?

Answer 10

Cranium

Question 11

What is an irregular bone?

Answer 11

They give the body shape and protection and used for muscle attachment.

Question 12

What is an example of an irregular bone?

Answer 12

Vertebrae/spine

Question 13

What does the capsule in a joint do?

Answer 13

Surrounds the joint and keeps everything in place.

Question 14

What does the synovial membrane in a joint do?

Answer 14

Produces synovial fluid.

Question 15

What does the synovial fluid in a joint do?

Answer 15

Lubricates the joint.

Question 16

What does the cartilage do in a joint?

Answer 16

Stops the bone from rubbing (prevents friction).

Question 17

What does the ligaments do in a joint?

Answer 17

Connects bone to bone to stop dislocating.

Question 18

What is a joint?

Answer 18

Where two bones meet.

Question 19

What movement does a ball and socket joint allow?

Answer 19

Ball on one end and socket on the other. All types of movement are possible here.

Question 20

What is an example of ball and socket?

Answer 20

Hip or shoulder

Question 21

What movement does a hinge joint allow?

Answer 21

Only allows movement in one direction (flexion and extension).

Question 22

What is an example of a hinge joint?

Answer 22

Knee

Question 23

What movement does a pivot joint allow?

Answer 23

Only rotation.

Question 24

What is an example of a pivot joint?

Answer 24

Neck or elbow

Question 25

What movement does a gliding joint allow?

Answer 25

Allows bones to slide across each other.

Question 26

What is an example of a gliding joint?

Answer 26

Carples

Question 27

What movement does a sadle joint allow?

Answer 27

Allows most movements but rotation is limited.

Question 28

What is an example of a sadle joint?

Answer 28

Thumb

Question 29

What movement does a condyloid joint allow?

Answer 29

Allows movement in two planes but rotation is limited.

Question 30

What is an example of a condyloid joint?

Answer 30

Wrist

Question 31

What is flexion?

Answer 31

Angle decreased between the bones.

Question 32

What is extension?

Answer 32

Angle increases between bones.

Question 33

What is abduction?

Answer 33

Taking the limbs away from the body.

Question 34

What is adduction?

Answer 34

Bringing the limbs towards the body.

Question 35

What is dorsiflexion?

Answer 35

Toes are pulled upwards towards the body.

Question 36

What is plantarflexion?

Answer 36

Pointing the toes.

Question 37

What is rotation?

Answer 37

Turning your head to look at something.

Question 38

What is circumduction?

Answer 38

When your joints move in a complete circle (bowling in cricket).

Question 39

What does cartilage do?

Answer 39

Acts as a cushion between bones to prevent damage during joint movement.

Question 40

What do ligaments do?

Answer 40

Holds bones together to help maintain the stability of the skeleton during movement.

Question 41

What are tendons?

Answer 41

Attach muscle to bone to allow bones to move when muscles contract.