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YouTubeCognito
GCSE Biology - Immune System & Defences | Types of White Blood Cell
⭐️ https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. The Human Body's Defence System Overview * Distinction between physical/chemical barriers and the immune system. 2. Physical & Chemical Barriers Against Pathogens * Role of the skin (physical barrier, secretions). * Defences in the nose and airways (hairs, mucus, cilia). * Role of ...
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Explaining The Ocean on Instagram: "Mary Lee was one of the most famous great white sharks ever tracked. 🦈 At 16 feet long and weighing over 3,500 lbs, she was tagged by @ocearch in 2012 off Cape Cod. Her satellite tag allowed scientists — and the public — to follow her epic journeys along the U.S. East Coast, from Florida to New Jersey to Massachusetts. 🌊 By studying her movements, researchers gained crucial insights into shark migration, feeding grounds, and how these apex predators use coas
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