NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To break down food into molecules that can be taken in by cells.
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To collect wastes made by cells and remove them from the body.
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To protect the body from pathogens that can cause infection.
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To monitor and react to changes in the body and its environment.
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Detailed explanation-1: -Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion. The role of chemical digestion is to further degrade the molecular structure of the ingested compounds by digestive enzymes into a form that is absorbable into the bloodstream.
Detailed explanation-2: -Stomach. Glands in your stomach lining make stomach acid and enzymes that break down food. Muscles of your stomach mix the food with these digestive juices.
Detailed explanation-3: -Answers; -* question 1 Answer; -(D) . Digestion Explanation; -Digestion of food mainly occur in stomach and small intestine . In stomach, Bolus formed by mastication of food in mouth is converted into further small molecules by digestion .