Musculoskeletal system Flashcards
Which bones are really tough to break?
the skull and femur.
How many pounds of pressure does it take to break the average bone?
10-16 pounds.
What are some of the vital functions of the system?
giving the body its form, assisting with bodily movements and producing new blood cells.
Why is the bones storing calcium helpful?
it provides the bones their hardness.
What is the largest bone?
the thighbone or femur.
What is the largest joint in the body?
the knee.
How big is the femur in adults?
20 inches.
What are some long bones?
clavicle, humerus, radius, tibia, fibula and metatarsals.
What are some short bones?
carpals and tarsals.
What are flat bones?
spatula, sternum and ribs.
What are sesamoid bones?
special, formed in ligament where stress occurs, patella.
What are irregular bones?
irregularly shaped, vertebra, sacrum and coccyx.
What are cranial bones?
frontal bone, parietal bone, sphenoid bones, ethmoid bones, temporal bones, occipital bone.
What are facial bones?
nasal bone, lacrimal bone, zygomatic bone, inferior nasal conchae, vomer, maxilla, mandible.
What does fibrous mean?
immoveable.
What does cartilaginous mean?
semi moveable.
What does synovial mean?
freely moveable.
What does the skeleton do?
supports the muscles, blood vessels and nerves of the body and protects the organs.
What are the joints?
where one bone meets another.
What do muscles do?
allow various parts of the body to move.
What do ligaments do?
hold moveable joints together.
What do tendons do?
hold muscle to the bone.
What are ligaments?
dense fibrous connective tissue.
What are tendons?
dense connective tissue continuous.
