Content in this issue: Class XI Bio Digest- Breathing and Exchange of Gases  Monthly Test Drive- Digestion and Absorption, Breathing  and Exchange of Gases & Body Fluids and  Circulation Check Your Vitals- Human Physiology Part - II Class XII Bio Digest- Organisms and Populations Concept Map- Drug Abuse CBSE TERM-I- Solved Paper 2021 Monthly Test Drive- Biodiversity and Conservation &  Environmental Issues Competition Edge NCERT Xtract Bio-gram-CRISPR