Answer:
I have a straight back and sharp teeth to cut objects.
Six letters it contains. Take away the last and only twelve remains. What is the word?
You can see it everyday, but cannot touch it at will. What is it?
I contain five little items of an everyday sort. You can find all five in a tennis court.
What has 13 hearts but no other organs?
I am your mother's brother's only brother in law. Who am I?