Waves of muscular contractions that propel the contents of the digestive tract are called peristalsis.
Answer:
the purpose of an internal frame work is to make sure there is order in the office so that everything runs smoothly. If things weren't maintained or lost, there would be chaos, which would cause disruption from the needed to be done
Explanation:
Answer:
How often? 2 times a day or minimum 1 times. How hard? depends on age.If the person is below 30, he/she can have a hard workout. How long? 1 or 2 hours per exercise is enough and ideal for everyone.
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Explanation:
