The mode of respiration in a mammal is:
Correct answer: D. Pulmonary
- A. Mucosa
- B. Cutaneous
- C. Tracheal
- D. Pulmonary
Explanation
The mode of respiration in mammals is pulmonary because they rely on specialized respiratory organs, such as the lungs, to facilitate the exchange of gases (oxygen and carbon dioxide) with the bloodstream.
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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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