Question

1/30 - homeostasis feedback (dg)
determine whether the following example is positive (+) or negative feedback (-) and name the body system(s) that are involved.
when the body is deprived of food, the set point of the metabolic rate can become reset to a lower-than-normal value. this means your body digests food slower and gets more energy from the food. this lowering of the metabolic rate is the body’s attempt to prevent starvation and keep the body functioning properly at a slower rate. many people who periodically deprive themselves of food in attempt to lose weight find that after the initial weight loss it becomes increasingly difficult to lose more pounds. this difficulty stems from the lowering of the metabolic set point. exercise may counteract some of these effects by increasing metabolic (or metabolism) demands.
which type of feedback does this loop show?
which body systems are involved?

Explanation:

1. Feedback Type: This is negative feedback because the body lowers its metabolic rate to counteract the stress of food deprivation, working to maintain basic function and return to a stable state (preventing starvation).
2. Body Systems: The endocrine system regulates metabolic rate via hormones (like thyroid hormones), and the digestive system is involved in slowed food digestion and energy extraction from food.

Answer:

• Which type of feedback does this loop show? Negative (-) feedback
• Which body systems are involved? Endocrine system, Digestive system