alleryStart learning →The human heart is made up of
Atwo chambers
Bfour chambers
Cthree chambers
Done chamber
Answer & Solution
Correct answer: B. four chambers
1. Mammalian hearts keep oxygenated and deoxygenated blood separate.
2. The human heart has **four chambers** (two atria and two ventricles), enabling double circulation.
3. Fish have a two-chambered heart; amphibians a three-chambered one.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch6 'Life Processes', §6.4_
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