chambers are there in the heart of the following organisms

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Ayushree

Asked: October 9, 2025In: Class 10 Science

How many chambers are there in the heart of the following organisms? How is mixing of oxygenated and deoxygenated blood prevented in their body? (i) Fishes (ii) Humans

(i) Fish: Two-chambered heart; oxygenated and deoxygenated blood mix before reaching tissues. (ii) Humans: Four-chambered heart prevents mixing, ensuring separate circulation of oxygenated and deoxygenated blood for efficient oxygen supply. cbse sample paper 2025 cbse sample paper 2025-26 class 10 science

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