Identify the incorrect statement:
| 1. | Each limb in humans has 30 bones. |
| 2. | Metacarpals are 8 in number while the metatarsals are 7 in number. |
| 3. | Patella forms the knee cap. |
| 4. | Femur is the longest bone in the human body. |
| 1. | seen in scapula and articulates with head of humerus |
| 2. | seen in coxal bone and articulates with head of femur |
| 3. | seen in clavicle and articulates with sternum |
| 4. | seen in femur and articulates with patella |