When people put on weight, their fat cells release a substance called _____, which is carried in the bloodstream to the brain, where it will tell us to eat less.
A)GLP-1
B)blood sugar
C)leptin
D)NPY

Question

Quizplus · Accepted Answer

Leptin is the hormone released by fat cells that signals the brain to decrease appetite and increase energy expenditure. It plays a key role in regulating body weight and metabolism. GLP-1 is a hormone released by the intestine in response to food intake and helps regulate blood sugar levels. Blood sugar is the level of glucose in the bloodstream, and it is regulated by insulin and other hormones. NPY is a neuropeptide that stimulates appetite and is released by the brain in response to hunger signals.

When People Put on Weight, Their Fat Cells Release a Substance