https://www.khanacademy.org/science/ncert-class-8-science/x55541eeaec8b3a9a:ncert-8-the-invisible-living-world-beyond-our-naked-eye-how-are-we-connected-to-microbes-v-bitasta-sep-end-https-www-khanacademy-org-devadmin-content-courses-x55541eeaec8b3a9a-lang-en/x55541eeaec8b3a9a:healthy-lifestyle/e/healthy-lifestyle 2026-04-07T22:59:30.107127435Z Healthy lifestyle This Class 8 Science exercise on Healthy Lifestyle helps students explore good habits, clean surroundings, social well-being, and the difference between signs and symptoms of illness through interactive questions. Yajurva Joshi exercise https://www.khanacademy.org/science/class-7-science/x0c8b40bd4b242f0b:food-health-and-disease/x0c8b40bd4b242f0b:communicable-and-non-communicable-diseases/e/communicable-and-non-communicable-diseases 2026-04-06T02:41:58.374508961Z Communicable and non-communicable diseases Let's solve some questions on diseases Vibhor Pandey exercise https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-2/x04828215b460a495:the-world-of-microorganisms-part-i-ii/e/antibiotic-resistance 2026-04-06T02:41:58.374508961Z Antimicrobial Resistance An exercise about gauges proficiency at understanding antibiotic resistance. Joel Prakash Stephen exercise