Skeleton Flashcards
List the 4 functions of the skeleton
- Support, Protection, Movement, production of blood cells
Name the parts of the axial skeleton.
Skull, Backbone, Ribs, Breastbone.
Name the regions of vertebrae and the number of vertebrae in each section.
(Starting from top to bottom of the back.)
Cervical (7) Thoracic (12) Lumbar (5) Sacrum (5) Coccyx ( 4)
Which ribs are true ribs, false ribs, and floating ribs?
1-7= True 8-10= False 11&12 = Floating
Name the bones in your pelvic girdle.
Hip bones& Sacrum of Spine
What is the tough layer of collagen called that surround the top and bottom of bones?
Cartlidge
What is the function of Collagen?
Allows friction-free movement & Acts as a shock absorber
Name 2 different types of bone and their functions.
Compact- Strength and flexibility
Spongy- Produces blood cells and stores fat
What are the functions of red marrow and yellow marrow in bones?
Red- Produces blood cells
Yellow- Stores fat
What is a joint?
Where 2 or more bones meet.
Name the three types of joints in the human body.
Immovable, slightly moveable, freely moveable
Name a place where we can find each of the joints of the human body.
Immovable-Skull
Slightly-Backbone
Freely- Ball and Socket
What is the role of synovial fluid in a joint?
Lubricates the joint and allows friction-free movement
What are antagonistic muscles?
Pairs of muscles that have opposite effects of each other
Where do we find antagonistic muscles?
Bicep & Tricep
Explain the mechanism of antagonistic muscles.
One muscle contracts while the other muscle relaxes or lengthens.
Name a disorder of the muscular-skeletal system.
Arthritis
Name a cause of a muscular-skeletal disorder
Cartilage degeneration
Name a treatment of a muscular-skeletal disorder
Aspirin to reduce swelling or inflammation. Severe cases, replacement of a joint
Name a prevention to a muscular-skeletal disorder
Good diet. Avoid stress on bones & joints during a workout
A ligament joins ………………………….
Bone to bone
A tendon joins ……………………………
Bone to muscle
Hands and Feet are also known as…
Pentadactyl limbs
Bones in the arms.
Clavicle, Scapula, Humerus, Radius, and Ulna
Bones in the legs.
Femur, Patella, Tibia, and Fibula
Bones in the hands
Carpals, Metacarpals and Phalanges
What is the Medullary Cavity
A hollow tube central space containing red marrow in children and yellow in adults
Structure of a Long Bone
The long Shaft of a bone is called the Diaphysis
The enlarged end of a bone is called the Epiphysis
Function of cartilage
Acts as a shock absorber and allows friction-free movement
Name of an immovable joint
Skull & Pelvic
