Health and Body

3. A person who is proficient in sports and other forms of physical exercise
5. The way your body turns food and drinks into energy
6. An eating plan in which someone eats less food, or only particular types of food, because they want to become thinner or for medical reasons
9. A person who strengthens and enlarges the muscles of their body through strenuous exercise
13. Doing an activity, particulary an exercise, over and over again
14. Slowed metabolism caused by low-calorie diet or fasting (belief, not scientifically true)

1. Drinking enough liquids to keep the fluid levels in the body topped up
2. A band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.
4. To eat no or very little food for a period of time
5. Average in amount, intensity, quality, or degree
7. Activity requiring physical effort, carried out to sustain or improve health and fitness
8. The amount of food giben to someone in one sitting
10. Illnesses that are caused by infections
11. A physical exercise designed to strengthen the abdominal muscles
12. A person's set of visibly well-developed abdominal muscles