Digestive system is the system of organs which digest food. Human digestive system is consisted of the gastrointestinal tract and the accessory organs of digestion. Accessory organs of digestion are: the tongue, salivary, glands, pancreas, liver and gallbladder. The digestion in this system has many stages, and the first one starts in mouth, and it is called oral cavity. D<span>igestion means breakdown of food into smaller and smaller and smaller components which can be absorbed and assimilated into the body...</span>
Answer:
body composition is used to describe the percentages of fat, bone, water and muscle in human bodies.
Explanation:
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Answer:
C. Be an athlete or work in a fitness-related field.
Explanation:
I had this same question and got it right. The other answers don't have anything to do with having a high fitness rating. If you have a high fitness rating it usually means you are in a sports team or can push yourself farther than others, and you will probably take that further into the future.
Answer:
50 to 85 percent of your maximum heart rate
Explanation:
this is the heart rate where your heart beats at moderate to high intensity. this is good for exercising as this will improve your cardiovascular endurance
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