BIOLOGY PART 2 – Podcasts

From Cells to Ecosystems – Introduction to Class 9 Biology Part 2

This introductory episode of Class 9 Biology – Part 2 on Aira Podcast provides an overview of the fascinating biological concepts explored throughout the series. The journey begins with the biosphere and photosynthesis, highlighting how plants act as the green guardians of Earth by producing food and oxygen. The episode then moves through the major human body systems, including the digestive, circulatory, respiratory, and excretory systems, followed by the process of cellular respiration that powers life at the cellular level. Listeners will also explore the nervous system, sense organs such as the eye and ear, and the skeletal system that supports movement, along with the human reproductive system, the protective role of skin, the immune system, and hormonal regulation through the endocrine system. The series further dives into the microscopic and genetic world with microorganisms, DNA, genes, heredity, biotechnology, and genetic engineering. Finally, it expands to broader ecological themes including marine ecosystems, plant classification, pollution, environmental conservation, sustainability, and the body’s detoxification systems such as the liver and skin. Together, these topics help students understand the interconnected nature of life from the cellular level to global ecosystems.

Play Sample