Amphibians | Animal Kingdom | Grade 11 | Biology | Khan Academy скачать в хорошем качестве

Amphibians | Animal Kingdom | Grade 11 | Biology | Khan Academy

Millions of years ago, life took a bold step from water to land, giving rise to amphibians—nature’s remarkable bridge between two worlds! With their moist skin, unique respiration, and fascinating reproductive traits, these creatures have mastered both aquatic and terrestrial habitats. Let’s explore the structure, survival, and secrets of amphibians, from frogs to salamanders! 00:00 - Introduction 00:31 - Evolution of amphibians 03:09 - Morphology 05:37 - Circulatory system 07:32 - Respiratory system 08:57 - other organ system - a glance 09:55 - Reproduction Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Vandhana Ashok