Class 11 Biology NCERT Breathing and Exchange of Gases explains how organisms take in oxygen and expel carbon dioxide to sustain life. This chapter covers human respiratory organs, mechanism of breathing, transport of gases, and regulation of respiration. It also discusses respiratory adaptations in different animals.
By studying Breathing and Exchange of Gases, students understand the physiological processes that maintain oxygen and carbon dioxide balance in the body. The chapter is essential for CBSE board exams and competitive exams like NEET, where questions on respiratory system structure, function, and gas exchange are frequently asked.
