Question

question 8 of 10 which of the following is an example of a feedback loop in the body? a. the nervous system sends a signal to produce hormones. b. the thyroid gland reverses the action of the parathyroid gland. c. the pancreas can be endocrine and exocrine. d. the body produces adrenaline when a person is scared

Explanation:

A feedback loop involves a response that either amplifies or counter - acts a process. The thyroid and parathyroid glands have an inverse relationship in regulating calcium levels in the body, which is a classic example of a feedback loop. Option A is just a signal - hormone production relationship without feedback. Option C is about the dual nature of the pancreas, not a feedback loop. Option D is a simple stress - hormone response without feedback.

Answer:

B. The thyroid gland reverses the action of the parathyroid gland.