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.
Answer:
Ehm
Explanation:
He has to call a relative to come over and take care of him but for respect protection he can call a friend or doctor
Answer: The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood.