https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-3/x04828215b460a495:the-age-of-adolescence/v/growing-with-age 2025-05-29T10:10:16.848304093Z Growing with Age In this video, we break down the physical changes that come with adolescence — like changes in height, body shape, voice, hair growth, and skin. We also talk about secondary sexual characteristics, and why everyone grows at their own pace (and that’s totally normal). Bitasta Datta video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Growing with Age In this video, we break down the physical changes that come with adolescence — like changes in height, body shape, voice, hair growth, and skin. We also talk about secondary sexual characteristics, and why everyone grows at their own pace (and that’s totally normal). https://cdn.kastatic.org/ka-youtube-converted/24AvS06QKS8.mp4/24AvS06QKS8.mp4 376 Adolescence https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-3/x04828215b460a495:the-age-of-adolescence/v/changes-that-indicate-reproductive-abilities-adolescence-grade-7-science-khan-academy 2025-05-29T10:10:16.848304093Z Changes that Indicate Reproductive Abilities Adolescence brings visible changes like height and voice… but some of the most important changes happen quietly, inside the body. In this video, we explore the menstrual cycle — a natural biological process that marks the beginning of reproductive maturity in girls. We’ll understand what it is, why it happens, how often it occurs, and how to take care of your health and hygiene during menstruation. We also address the myths and taboos that often surround periods, and why it’s important to replace misinformation with facts, empathy, and awareness. Bitasta Datta video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Changes that Indicate Reproductive Abilities Adolescence brings visible changes like height and voice… but some of the most important changes happen quietly, inside the body. In this video, we explore the menstrual cycle — a natural biological process that marks the beginning of reproductive maturity in girls. We’ll understand what it is, why it happens, how often it occurs, and how to take care of your health and hygiene during menstruation. We also address the myths and taboos that often surround periods, and why it’s important to replace misinformation with facts, empathy, and awareness. https://cdn.kastatic.org/ka-youtube-converted/DtRGT-YPNdo.mp4/DtRGT-YPNdo.mp4 339 Adolescence https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-3/x04828215b460a495:the-age-of-adolescence/e/physical-changes-with-age 2026-04-09T13:10:38.304888012Z Changes in body with age Let's solve some problems to better understand the physical changes that occur during adolescence. Aakash Bagga exercise https://www.khanacademy.org/science/bridge-course-class-8th-science/x1bd98ad7e378a025:adolescnese/x1bd98ad7e378a025:adolescence/v/the-teen-toolkit-part-1 2025-06-25T07:53:37.299970571Z The Teen Toolkit Part 1 In this video, we unpack what really happens during this once-in-a-lifetime phase—why your body and mind are changing, how to take care of yourself, and what small choices can make a huge difference. Bitasta Datta video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw The Teen Toolkit Part 1 In this video, we unpack what really happens during this once-in-a-lifetime phase—why your body and mind are changing, how to take care of yourself, and what small choices can make a huge difference. https://cdn.kastatic.org/ka-youtube-converted/Zf4VJyHf3Bw.mp4/Zf4VJyHf3Bw.mp4 340 Adolescence https://www.khanacademy.org/science/bridge-course-class-8th-science/x1bd98ad7e378a025:adolescnese/x1bd98ad7e378a025:adolescence/v/the-teen-toolkit-part-2 2025-06-25T07:53:37.299970571Z The Teen Toolkit Part 2 In this video, we explore the world of peer pressure, online behaviour, and substance abuse. Learn how to stand your ground, stay safe online, and make choices that protect your body, mind, and future. It's all about growing up with confidence, courage, and clarity! Bitasta Datta video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw The Teen Toolkit Part 2 In this video, we explore the world of peer pressure, online behaviour, and substance abuse. Learn how to stand your ground, stay safe online, and make choices that protect your body, mind, and future. It's all about growing up with confidence, courage, and clarity! https://cdn.kastatic.org/ka-youtube-converted/obbh6rn1Xq8.mp4/obbh6rn1Xq8.mp4 252 Adolescence https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:balanced-diet/x19bc096754f0b9af:deficiency-diseases/e/importance-of-nutrition-and-health-programs 2026-04-09T13:10:38.304888012Z Importance of nutrition and health programs Let's solve some questions on importance of nutrition and health programs Vibhor Pandey exercise https://www.khanacademy.org/science/bridge-course-class-8th-science/x1bd98ad7e378a025:adolescnese/x1bd98ad7e378a025:adolescence/e/effects-of-alcohol-consumption-and-smoking 2026-04-07T23:36:17.218592739Z Effects of alcohol consumption and smoking, Population growth and family welfare Let's solve some problems to better understand the effects of alcohol consumption and smoking. Aakash Bagga exercise