Mixing of oxygenated and deoxygenated blood occurs in the heart of (a) Bird (b) Crocodile (c)Mammals (d) Frog
Option D. The mixing of both oxygenated and deoxygenated blood is found in amphibian and most reptile animals, due to the presence of 2 or 3 chambered hearts which is incapable of preventing mixing of oxygenated and deoxygenated blood.
