Which character is found only in mammals ?
(A) Neck
(B) Diaphragm
(C) Optic lobes of brain
(D) Tail
Answers
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Answer:
Diaphragm is only found in mammals.
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Answer:
Diaphragm is found only in mammals.
Explanation:
What is a diaphragm?
- The diaphragm is located below the lungs and is a major muscle in respiration.
- It is a dome-shaped, large muscle that contracts and relaxes rhythmically, continuously and involuntarily.
- Upon inhalation, the diaphragm contracts and flattens and the chest cavity become enlarge.
- Upon exhalation, the diaphragm gets relaxed and the diaphragm returns to its original dome-like shape.
- This type of mechanism of respiration is present in mammals.
While, the neck, optic lobes of the brain and tail can be found in mammals as well as other organisms such as vertebrates, birds, reptiles, etc.
To learn more about the criterion for classification of organisms as belonging to monera or Protista,
https://brainly.in/question/1160559
To learn more about the characteristics of mammals,
https://brainly.in/question/1158682
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