Skeletal System

Question 1

What are the 6 functions of the skeletal system?

Answer 1

Support, Posture, Protection, Movement, Blood cell production, Storage of minerals

Question 2

What is the support function definition?

Answer 2

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

Question 3

What is the posture/ structure function definition?

Answer 3

The skeleton gives the correct shape to our body

Question 4

What is the protection function of the skeleton?

Answer 4

The bones of the skeleton protect the internal organs and reduce the risk of injury on impact

Question 5

What is the movement function definition?

Answer 5

The skeleton allows movement of the body as a whole and its individual parts

Question 6

What is the blood cell production definition?

Answer 6

Certain bones in the body contain bone marrow which produces red blood cells, white blood cells and platelets

Question 7

What is the storage of minerals function definition?

Answer 7

The bones store minerals and release them into the blood when the body needs to use them

Question 8

What is a long bone

Answer 8

Bones which creates large range of movement which are longer than they are wide

Question 9

What is a short bone?

Answer 9

Provide strength and stability- shaped roughly like a cube

Question 10

What is a flat bone?

Answer 10

A bone that protects a vital part of the body?

Question 11

3 bones in the hand?

Answer 11

Phalange, metacarpals, carpals

Question 12

3 bones in the arm?

Answer 12

Humerus, radius, ulna

Question 13

4 bones in the foot?

Answer 13

Phalanges, metatarsals, tarsals, talus

Question 14

4 bones in your leg?

Answer 14

Femur, patella, tibia, fibula

Question 15

3 bones in the back?

Answer 15

Scapula, vertebrae, sacrum

Question 16

What is flexion and give a sporting examples

Answer 16

When the angle of your joint closes, found in knee and elbow, example bicep curls.

Question 17

What is extension and give a sporting example

Answer 17

When the angle at a joint opens, found in elbow and knee. Example; cycling, darts

Question 18

What is abduction and give a sporting example

Answer 18

Taking away a limb from the midline of the body, found in shoulder and hip. Sporting example; lateral raises, breast stroke and side karate kick

Question 19

What is adduction and give a sporting example

Answer 19

Adduction is adding a limb to the midline of the body, found in the shoulder and hip. Sporting example; lateral raises, breast stroke, side kick karate

Question 20

What is circumduction and give a sporting example

Answer 20

Where the limb moves in a circle, found in the shoulder and hip. Sporting example; golf swing and cricket bowling

Question 21

What is rotation and give a sporting example

Answer 21

When the limb turns round its long axis, found in shoulder and hip. Sporting example; top spin on table tennis or regular tennis

Question 22

What is plantar flexion and give a sporting example

Answer 22

Increase the angle at the ankle joint. Sporting example; pointing toes in ballet, running, trampolining

Question 23

What is dorsi flexion and give a sporting example

Answer 23

Decrease the angle at the ankle joint. Sporting example; running, trampolining and squatting

Question 24

What does the cartilage do in a joint

Answer 24

Covers the end of the articulating bone and reduces friction when movement is created. It can also act as a shock absorber

Question 25

What does synovial fluid do in a joint

Answer 25

Lubricates the joint to allow smooth movement

Question 26

What does the synovial membrane do in a joint

Answer 26

Produces synovial fluid within the joint which supports surrounding structures.

Question 27

What does the tendon do in a joint

Answer 27

Joins muscle to bone, connecting joint and enabling movement

Question 28

What does a ligament do in a joint

Answer 28

Elastic tissue that joins bone to bone. Helps to stabilise the joint and stop dislocations

Question 29

What does the joint capsule do in a joint

Answer 29

Encloses the joint. Helps stabilise the joint

Question 30

What does the bursae do in a joint

Answer 30

Sac filled with liquid. Stops friction between tendon and bone

Question 31

What is an irregular bone. Give example

Answer 31

A bone with a specific shape to protect . Vertebrae