In reptiles and amphibians, there is no clear cut separation of oxygenated and deoxygenated blood because they have

Question

In reptiles and amphibians, there is no clear cut separation of oxygenated and deoxygenated blood because they have (A) one atrium (B) one ventricle (C) incomplete double circulation (D) Both (b) and (c)

Tardigrade Admin · Accepted Answer

Both options (b) and (c) are correct. In reptiles and amphibians the heart is with two atria and one ventricle. Due to single ventricle, the deoxygenated and oxygenated blood from both atria come here and get mixed up. This is known as incomplete double circulation.

Q. In reptiles and amphibians, there is no clear cut separation of oxygenated and deoxygenated blood because they have

one atrium

one ventricle

incomplete double circulation

Both (b) and (c)

Both options (b) and (c) are correct. In reptiles and amphibians the heart is with two atria and one ventricle. Due to single ventricle, the deoxygenated and oxygenated blood from both atria come here and get mixed up. This is known as incomplete double circulation.