Which of the following is an example of a feedback loop in the body of the nervous system sends a signal to produce hormones in the body produces adrenaline when a person is scared the thyroid gland reverses the action of the parathyroid gland the pancreas can be Endo crying or exocrine

Explanation:

Both the endocrine and nervous systems use chemical signals to communicate and regulate the body’s physiology. The endocrine system releases hormones that act on target cells to regulate development, growth, energy metabolism, reproduction, and many behaviors. The nervous system releases neurotransmitters or neurohormones that regulate neurons, muscle cells, and endocrine cells. Because the neurons can regulate the release of hormones, the nervous and endocrine systems work in a coordinated manner to regulate the body’s physiology.

answer; both surfaces of the membrane are nonpermeable

the answer is c because it is most logical.