Multiple choice

Heart of prawn carries ___________.

  1. oxygenated blood

  2. deoxygenated blood

  3. mixed blood

  4. no blood
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Prawns have an open circulatory system where hemolymph (not true blood) is pumped by the heart into body cavities (sinuses). The heart receives and pumps mixed hemolymph containing both oxygenated and deoxygenated components, as there's no complete separation like in closed circulatory systems.

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