Which statement best describes the respiratory pattern of a resting horse compared with a dog?
Correct answer: B. The horse is an obligate nasal breather
- A. The horse normally breathes through its mouth
- B. The horse is an obligate nasal breather
- C. The dog is an obligate nasal breather
- D. The horse has no nasal turbinate bones
Explanation
Healthy horses are obligate nasal breathers because the soft palate forms a functional seal that limits oral breathing. Dogs can breathe through the mouth, especially during panting, so they are not obligate nasal breathers.
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Covers the gross and microscopic structure of domestic animals, including bones, joints, muscles, organs, blood vessels and nerves. It explains how the respiratory, cardiovascular, digestive, urinary, nervous, endocrine and reproductive systems function, with attention to species differences and the relationship between anatomical structure and physiological processes.
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