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Home›Explore Exams›NEB +2› Science› Grade 12›Subjects›Biology (Science, Grade 12)

GyanMul Prep · NEB +2 · Science · Grade 12

Biology (Science, Grade 12)

Everything on these tabs is Biology (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

Chapters Questions Practice Quizzes Past Papers Institution Papers Mock Tests Solved Questions Progress Gurubaa

Chapters›Respiratory System

30

Chapter 30 of 40 · Biology (Science, Grade 12)

Respiratory System

3 topics
Board exam — Human Biology, 16 marks across 9 chapters
19 solved questions

Getting oxygen in and carbon dioxide out — the lung's structure, the mechanics of breathing, and the chemistry by which blood carries both gases.

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Topics

What the syllabus defines for this chapter

1Organs of respiration and the structure of the lung
2Mechanism of breathing
3Transport of oxygen and carbon dioxide

Previous chapterDigestive System Next chapterCirculatory System