Question

A person met with an accident is a severe head injury he is taken to hospital where doctors declared dead but is heart functioning explain the amazing property of heart

Answer 1

Answer:

controlled by negative feedback. In negative feedback systems, a stimulus elicits the release of a substance; once the substance reaches a certain level, it sends a signal that stops further release of the substance. In this way, the concentration of hormones in blood is maintained within a narrow range. For example, the anterior pituitary signals the thyroid to release thyroid hormones. Increasing levels of these hormones in the blood then give feedback to the hypothalamus and anterior pituitary to inhibit further signaling to the thyroid gland, as illustrated in

Explanation:

brainliest marks as brainlieat