Which pigment protein is also known as muscle hemoglobin?
Correct answer: B. Myoglobin
- A. Melanin
- B. Myoglobin
- C. Rhodopsin
- D. Lutein
Explanation
Myoglobin is a protein primarily located in the striated muscle hence it is known as the muscle hemoglobin.
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About Respiration
The human respiratory system includes the air passages, lungs, alveoli and breathing muscles, while gaseous exchange explains how oxygen enters blood and carbon dioxide leaves it by diffusion. The effects of smoking include damage to cilia and alveoli, reduced gas exchange, chronic bronchitis, emphysema and increased risk of lung cancer.
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