1. Tardigrade
  2. Question
  3. Biology
  4. Read the following statements and select the correct option. Statement 1: The 4-chambered heart of birds is superior to the 4-chambered heart of crocodiles. Statement 2: Crocodilian heart retains both systemic arches that join, causing mixing of blood in the dorsal aorta while avian heart has lost left systemic arch.

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Q. Read the following statements and select the correct option.
Statement 1 : The $4$-chambered heart of birds is superior to the 4-chambered heart of crocodiles.
Statement 2 : Crocodilian heart retains both systemic arches that join, causing mixing of blood in the dorsal aorta while avian heart has lost left systemic arch.

Body Fluids and Circulation

Solution:

Correct answer is (a) Both statements 1 and 2 are correct