human body Flashcards
what does iris do?
controls the size of the pupil
what does pupil do?
control the amount of light entering the eye
what does retina do?
create image that will be transmitted to the brain by optic nerves
what does lens do?
focus the light into retina
what do optic nerves do?
connect the nerves in retina to the brain
function of bones
- support the body
- protect soft important organs
- movement due to attached skeletal muscle
- storage of minerals and fats. Blood cell formation
the human skeletal system has …. bones.
206 bones
two basic types of bone tissue
- compact bone
2. sprongy bone
bones classified by their shape
- long bones
- short bones
- flat bones
- irregular bones
example of long bones
arm, leg
example of short bones
wrist, ankle
example of flat bone
skull, sentrum
example of irregular bones
vertebreae, pelvis
the tip of the tongue taste ….
sweet
the side of the tongue taste ….
salty and sour
the base of the tongue taste ….
bitter
sendi putar
sendi yg menimbulkan gerakan memutar
sendi engsel – hinge joint
sendi yg menimbulkan gerakan satu arah
sendi peluru – ball and socket joint
sendi yg menimbulkan gerakan ke segala arah
sendi pelana – saddle joint
sendi yg menimbulkan gerakan dua arah
sendi geser
sendi yg menimbulkan sedikit gerakan
contoh sendi putar
tulang leher
contoh sendi engsel
siku, lutut
contoh sendi peluru
pangkal lengan
