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ANATOMY OF FLOWERING PLANTS

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  What is Plant Anatomy? Plant anatomy is the study of internal structure and organization of tissues in plants. It helps in understanding: Functional adaptation Transport system Growth patterns Tissue Organization in Flowering Plants Flowering plants have three major tissue systems :  Epidermal Tissue System Components: Epidermis Single layer of compact cells No intercellular spaces Covered by cuticle (except roots) Cuticle Made of cutin Prevents water loss Stomata Present mainly on leaves Composed of guard cells Regulate: Gas exchange Transpiration Root hairs Extensions of epidermal cells Increase surface area for absorption Trichomes (in stem) Hair-like structures Protection + reduce transpiration  Functions: Protection Water conservation Gas exchange 🌿 B. Ground Tissue System  Types of Ground Tissue: 1. Parenchyma Living cells, thin cell wall Large vacuole Functions: Storage Photosynthesis ( chlorenchyma ) Air storage ( aerenchyma ) 2. Collenchyma Living cell...
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The Science Behind COVID-19 Vaccines

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 The COVID-19 pandemic has disrupted lives around the world and caused immense suffering. As of the time of writing, the virus has infected millions of people and claimed hundreds of thousands of lives. The pandemic has highlighted the importance of scientific research and innovation, particularly in the development of vaccines to protect against the virus. In this blog post, we will delve into the science behind COVID-19 vaccines and explore how they work to provide protection against the virus. We will also address some common concerns around the safety and effectiveness of vaccines. what is immune system The immune system is a complex network of cells, tissues, and organs that work together to protect the body from harmful pathogens such as viruses, bacteria, fungi, and parasites. Its primary function is to recognize and respond to foreign substances that enter the body and eliminate them before they can cause harm. The immune system is composed of two main types of cells: innat...
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