The scala media is rich in k+ while the scale vestibuli and tympani are rich in na+.
a. true
b. false

The given statement is True.

Explanation:

Scala media has endolymph as its constituent and endolymph  is rich in Potassium ions (K+)

whereas

Scala tympani and  scala vestibuli has in its composition Perilymph and Perilymph has sodium ions as their major constituent ions.

Therefore, scala media is Potassium ion rich while scala tympani and vestibuli are sodium ion rich.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production