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High CO₂ levels stimulate the respiratory centers in the brain to regulate breathing rate.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Nitrogen is not involved in the regulation of breathing rate, unlike CO₂, O₂, and blood pH.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Transport of Carbon Dioxide and Regulation of Respiration
The pneumotaxic center, located in the pons, regulates the duration of inspiration and prevents excessive lung expansion.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Transport of Carbon Dioxide and Regulation of Respiration
Chemoreceptors detect levels of CO₂, O₂, and H⁺ in the blood to regulate respiration.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Transport of Carbon Dioxide and Regulation of Respiration
The cerebrum controls voluntary regulation of respiration, while the medulla oblongata and pons regulate involuntary breathing.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Transport of Carbon Dioxide and Regulation of Respiration
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