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The human body constantly develops and changes throughout the human life cycle, and food provides the fuel for those changes. The major stages of the human lifecycle include pregnancy, infancy, the toddler years, childhood, puberty, older adolescence, adulthood, middle age, and the senior years.
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Answer: The digestive tract starts by chewing and swallowing food. From there the food travels down the esophagus easily because it goes with a liquid Siliva enzyme. After, the food goes into the stomach where it is processed into a thick liquid called chyme. It then travels to the lower part of the stomach known as the atrium where it is ready to be released into the small intestine. The small intestine, or small bowel, is a hollow tube about 20 feet long that runs from the stomach to the beginning of the large intestine. The small intestine breaks down food from the stomach and absorbs much of the nutrients from the food. The food then travels to the large intestine where salts and sugars that could not be digested are absorbed. The rectum stores the stool, then the anus pushes it out in a bowl movement.
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How is your resting heart rate an indication of your level of fitness?
72 pulse to 100 is said to be normal at rest and 120 pulse when exercised. meanwhile anything above this or lower is a symptom of abnormality
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