9. Transport in Animals (Part 1) (Cambridge IGCSE Biology 0610 for exams in 2023, 2024 and 2025)
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John
English
Teenagers
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Summary
The video explains animal transport systems, focusing on the circulatory systems of fish and mammals. Fish have a single circulatory system with two heart chambers, while mammals have a double circulatory system with four chambers, allowing efficient oxygen and nutrient delivery. It also discusses coronary heart disease and its risk factors.