Please answer all questions

1		Tissue is composed of similarly specialized cells.
			A)	True
			B)	False
2		Cell layers that are piled one on top of the other within a tissue are called stratified.
			A)	True
			B)	False
3		A negative feedback system is one that regulates itself by returning the body system back to its original set point.
			A)	True
			B)	False