locomotion Flashcards
what is locomotion?
skeletal system allows the muscular system to produce movement
what are the functions of the skeletal system?
-provides our basic shape
- provides support for the body
- allows locomotion
- protects vital organs
what is the best protection area in the body?
skull
what are the two functional parts of the skeleton?
axial and appendicular
is cartilage or bone stronger?
bone
what is cartilage?
Resilient, semirigid connective tissue
In areas for flexibility eg joints
Articular cartilage reduces friction
Avascular
what are the functions of bone?
Support
Protection
Mechanical basis (leverage/locomotion)
Storage
New cells
what are the two types of bone?
- compact
- spongy (cancellous)
which nerves innervate the diaphragm?
C 3,4,5
where is compact bone found?
in the middle of the shaft
what bone in the body bears the most weight?
femur
what classification are long bones?
tubular
what classification are short bones?
cuboidal
what classification are flat bones?
protective
what are sesamoid bones?
sits inside a tendon eg knee cap
what is the diaphysis of a bone?
shaft
what is the epiphysis of a bone?
the end
what is the metaphysis of a bone?
the area of growth between diaphysis and epiphysis
what is the medulla?
bone marrow
what is the outer aspect of bone called?
periosteum
what is the inner aspect of bone called?
endosteum
where are the markings on bones found?
where tendons, ligaments or fascia is attached or where arteries lie adjacent
which anatomical plane spilts the body into front and back?
median
which anatomical plane spilts the body into top and bottom?
transverse
