Question
Question: Double circulatory heart is present in...
Double circulatory heart is present in
A
Birds only
B
Mammals only
C
Reptilia only
D
Both (1) and (2)
Answer
Both (1) and (2)
Double circulatory heart is present in
Birds only
Mammals only
Reptilia only
Both (1) and (2)
Both (1) and (2)