Read the following description.
When your body becomes dehydrated, the brain detects the lack of water and signals the pituitary gland to secrete a hormone called ADH. ADH travels through the blood and
causes the kidneys to remove less water from the body.
This is an example of which of the following?
O negative feedback to amplify small signals
O positive feedback helping to maintain homeostasis
O negative feedback helping to maintain homeostasis
O positive feedback to amplify small signals