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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
What is correct about sinus venosus
  • A
    It is situated on dorsal surface of rabbit heart
  • B
    It is situated ventrally in frog heart
  • C
    It sends blood to dorsal aorta
  • ✓
    It opens into right auricle
✓

Answer

Correct option: D.
It opens into right auricle
d
(d) Right auricle receives deoxygenated blood from the body via sinus venosus in the lower vertebrates.

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