2. Skeletal System

Question 1

PASTED

List the skeletal System Functions

There are 6

Answer 1

Body movement, protection, framework, mineral storage and production of red blood cells

Question 2

Outline Body Movement

Answer 2

To attach to muscles and create movement

Question 3

Outline Framework

Answer 3

To provided framework and upright posture

Question 4

Outline Protection

Answer 4

To protect vital organs eg heart and brain

Question 5

Outline Mineral Storage

Answer 5

To store minerals such as calcium, phosphorous, sodium and potassium

Question 6

Outline Production of Red Blood Cells

Answer 6

To produce red blood cells in the cavity of long bones

Question 7

List the 5 types of Bones

Answer 7

Short, Long, Sesamoid, Flat and Irregular

Question 8

Outline Short Bones

Answer 8

Same width and length. Eg Carpals and tarsals

Question 9

Outline Long Bone

Answer 9

Longer than they are wide, hollow shaft containing marrow. E.g. Femur, phallanges, humerus

Question 10

Outline Sesamoid

Answer 10

Small bones developed in tendons around some joints. Eg Patella

Question 11

Outline Flat Bones

Answer 11

Provide flat areas for muscle attachment, usually enclose cavities for protecting organs. Eg Scapula, ribs, sternum and cranium

Question 12

Outline Irregular

Answer 12

Have no regular shape or characteristics. Vertebrae and bones of the face.

Question 13

List the 3 types of connective tissue.

Answer 13

Cartilage, Ligaments and tendons.

Question 14

Outline Cartilage

Answer 14

Located at ends of bones. Decreases friction / absorb shock, to facilitate movement.

Question 15

Outline Tendons

Answer 15

Joins muscle to bones, to facilitate movement

Question 16

Outline Ligaments

Answer 16

Joins bone to bone, to facilitate stability

Question 17

List the 3 types of Joint Classifications

Answer 17

Fibrous, Cartilaginous, Synovial

Question 18

Outline Fibrous joints

Answer 18

Bones are bound by a tough fibrous tissue. They are fixed and immovable. For example the skull, pelvis and sacrum.

Question 19

Outline Cartilaginous joints

Answer 19

Bones that are entirely joined by cartilage. More moveable than fibrous. Eg at ends of ribs / sternum.

Question 20

Outline Synovial Joints

Answer 20

Moveable joints that have fluid-filled joint cavities.

Question 21

List the 6 types of Synovial Joints

Answer 21

Ball and Socket, hinge, pivot, saddle, gliding, condyloid

Question 22

Outline Ball and Socket joints

Answer 22

Sideways, backwards and forwards movements. Eg Hip and Shoulder joints

Question 23

Outline Hinge Joints

Answer 23

Backwards and forwards movements (flexion/extension). Eg Elbow knee

Question 24

Outline Pivot joints

Answer 24

One bone rotates about another. Eg Atlas/axis in neck and radius and ulna

Question 25

Outline Saddle joints

Answer 25

Sideways, backwards and forwards movements. Base of thumb.

Question 26

Outline Gliding joints

Answer 26

Only gliding or sliding movements, sideways backwards/forwards. Carpals and tarsals

Question 27

Outline Condyloid joints

Answer 27

Backwards/forwards and sideways movements. E.g wrist and ankle