12.3 balance Flashcards
1
Q
what 3 things is balance coordinated by
A
1) semicircular canals
2)utricles and saccules
3) proprioceptors
2
Q
semicircular canals are responsible for
A
rotational equilibrium
3
Q
for semicircular canals, when the head moves _______
A
fluid moves, stimulating hair cells
4
Q
utricles and saccules are responsible for
A
gravitational equilibrium
5
Q
caco3 stones are also called
A
otoliths
6
Q
when body is still otoliths_____
A
rest above hair cells on the otoliths membrane
7
Q
when body tilts _____
A
gravity pulls on otoliths and membrane sags stimulating impulse from hair cells to vestibular nerve
8
Q
proprioceptors are ____
A
mechanoreceptors involved in coordination regarding muscles, joints and tendons
