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Skeleton
Skeleton
Types of Bones
Joints
Synovial Joints
100

The "backbone" of the skeletal system; 

Made of 80 bones that include the head and spine

Axial Skeleton

100

The largest and longest bone in the body

Femur

100

Bones that are longer than they are wide 

Long bones 

100

The place where bones meet or bend 

Joint

100

Joint of the shoulder or hip; has a ball shaped surface that fits into a concave socket

Ball and socket joint

200

The largest portion of the skull is called the 

Cranium 

200

How many bones in the body?

206

200

Bones that are wider than they long

Short bones

200

Joints that have a wide range of motion 

Freely movable joints (synovial joints) 


200

Joints of the elbow or knee; a spool shaped surface that fits into a concave surface 

Hinge joint

300

Made of 126 bones that include the humerus, femur, carpals, clavicle, radius etc.

The Appendicular Skeleton 

300

The tough rubbery connective tissue that cushions the joints between bones

Cartilage 

300

Bones that protect vital organs 

Flat bones

300
Joints that join bones rigidly together (joints of the cranium) 

Immovable joints ( fibrous joints) 

300

Joints found between the axis and appendicular skeleton; arch shaped surface that rotates around a pivot

Pivot joint 

400

What are three functions of the skeleton?

  • protects vital internal organs such as the brain (skull), spinal cord (vertebral column) and lungs (ribs)

  • support -  allowing upright posture to be attained and maintained

  • stores fuels, fats and minerals

  • allows movements to occur via attachment sites/leverage

  • mineral balance/homeostasis

  • blood cell production

400

The name for your fingers and toes 

Phalanges 

400

3 examples of a long bone

Femur, humerus, ulna, radius, tibia....

400

The water based lubricant found inside of joints 

Synovial fluid

400

Joint found at the thumb; saddle shaped surface that fits into a socket curved in the opposite direction 

Saddle joint

500

What is the order of the vertebral column and how many vertebrae each?

Cervical (5), Thoracic (12), Lumbar (7), Sacrum, Coccyx

500

What is a common disease for losing bone density?

Osteoporosis

500

An example of an irregular bone

Vertebrae, coccyx, sacrum

500

How many freely movable joints are there? 

Six

500

The joints between the wrist bones; usually flat surfaces 

Gliding (plane) joint