The correct answer is (a.) liver. The liver contains the tubules with sinusoids which is lined with macrophages that leads to the central venous structure. A liver is a vital organ that serves as a gland that plays an important role in animal's and vertebrae's metabolism.
The answer is (D) convergent
I believe the answer is <span> A broad range of species existed</span>
The answer to this question is C. Cornea
