Explain functions of the skeleton!
Provides protection, muscle attachment, support the body, storage the minerals, produce red blood cells.
Mention names of bones which made up the upper limb!
humerus, ulna, radius, carpals, metacarpals, phalanges.
Mention types of bone shapes with the example!
long bones-femur; short bones-phalanges; flat bones-skull; irregular bones-vertebrae
Explain about ball-and-socket joints and give the example!
joints that allow rotational movement of bones to all directions-elbow and knee.
Explain about smooth muscles and give the example!
have characteristics: spindle-shaped, uninucleate, involuntary actions. Found in digestive tracts, blood vessels, bladder, and reproductive tract.
Explain about osteoporosis disorder!
is a common disorder that causes the bones become thinner, more brittle, and more porous. It because lack of calcium, phosphorus, and vitamin D.
