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STD 11 - 15. Body fluids and criculations — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 15. Body fluids and criculations1 Mark
MCQ
Papillary muscles are found in
  • A
    Haemocoel
  • B
    Heart of cockroach
  • C
    Arm
  • ✓
    Heart of mammal
✓

Answer

Correct option: D.
Heart of mammal
d
(d) They increase the force of contraction of heart (ventricles).

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