Answer: 1.) D. 2.) D. 3.) A.
Explanation: 1.) When you feel hungry, Your body reacts because it is you needing the nutrients and protein and just the hunger to go away. Your body has systems that also control different things including your appetite.
2.) What you put in your body balances out when you exercise and burn the carbs and lose the calories.
3.) There is a borderline when it comes to obese. Obesity is the effect of eating way more than usual and not exercising and not getting blood pumping throughout your body regularly each day.
The best answer for this question would be:
biological and social
Medical anthropologist need to understand the source of their biological heritage and ofcourse the system of their bodies in order to understand their suffering. Social factor is also important, because it can tells them the source of their suffering.