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B
White muscle - Fight muscles of the birds
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C
Smooth muscle - Innervated by autonomous nervous system
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D
Cardiac muscle - Abundant blood supply
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Solution
The correct option is B White muscle - Fight muscles of the birds Red muscles contain a large amount of mitochondria as it requires large amount of energy. White muscles contain fewer mitochondria. Pectoralis major is the flight muscles of the birds. It helps birds to flight. It is a red muscle. The autonomic nervous system is involuntary. It controls cardiac and smooth muscles, glands and blood vessels. Cardiac muscle has abundant blood supply. It extracts approximately 75% of the oxygen from blood in the left ventricle.
Thus, the correct answer is 'White muscle - Fight muscles of the birds.'