In which of the following types of animals would you except the digestive tract to be more complex:
Correct answer: C. Those with two openings
- A. Those with single opening
- B. Those with multiple openings
- C. Those with two openings
- D. Those without any opening
Explanation
Those animals which have tubular type digestive system are more complex as compared to sac like digestive system.Tube has two openings.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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