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.
Because it is a hard time in life. Bodies going through changes, and emotions at an all time high.
Answer: 
Explanation: If a contestant steps beyond the edge (scratch line), his jump is disallowed; if he leaps from too far behind the line, he loses valuable distance. ... Beginning in 1948, the women's long jump has been an Olympic event.
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Alveoli small balloon-like structures which are responsible for the oxygen exchange in the lungs across the membranes. These are attached to the branches of the bronchial passages. These alveoli inflate and deflate with inhalation and exhalation. Answer is C.
