Organs having same anatomical structure but differ in their function are called homologous organs. Organs having different anatomical structure but perform same functions are called analogous organs. Then what are the homologous organs among the following ?
1. Leg of a cheetah
2. Wing of a bat
3. Wing of a bird
A) 2 and 3
B) 1 and 3
C) 1 and 2
D) All the above