The correct option is B Endocrine glands regulate neural activity, and nervous system regulates endocrine glands
The nervous system regulates the endocrine glands.However ,endocrine glands also regulate neural activity.
The hormonoes epinephrine and norepinephrine secreted by adrenal glands are the best examples. It is secreted in response to stress of any kind and during emergency situations and are called emergency hormones or hormones of Fight or Flight. It affects the autonomous nervous system, which controls functions such as the heart rate, dilation of the pupils, and secretion of sweat and saliva.