Hopefully its warm, not cold like a snake. Having warm blood makes you special. Look in the mirror. If you had feathers and no teeth scientists would toss you in with the birds. One last thing, if you are an adult woman, you should have the ability to nurse your babies.
Most mammals do that for their babies.
Okay, you're a mammal. That's still a long way from being human. As far as we know you're some blind mole that lives out in the desert. Now for the easy stuff. You should have five fingers and five toes on each hand and foot.