. . . " support and protects body organs, such as the brain, heart and lungs ??? ??? ??? Smooth Muscle lacks striations; responsible for involuntary body activities ??? ??? ??? Tissue integrated group of cells with a common function, structure, or both ??? ??? ??? Urinary System forms and excretes urine while regulating the amount of water and ions in the body fluids Please allow access to your computer?" . .