Why do cats stand up when you pet her back?

Related questions

1. Why is my cat so skinny?
2. What gender is Nyan Cat?
3. Do Munchkin cats have health issues?
4. Are male or female cats better indoors?
5. Can a raccoon impregnate a cat?
6. Is it cruel to have a house cat?
7. Do male or female cats make better pets?
8. Do indoor cats live longer?
9. What breed of cat is the grumpy cat?
10. Did grumpy cat pass away?

Tags

1. #lifts
2. #inviting
3. #glands
4. #their
5. #family
6. #being
7. #adult
8. #scents
9. #member
10. #response
11. #transfer
12. #present
13. #identity
14. #raise
15. #exchange
16. #confirm
17. #instinctively
18. #scent