Smooth muscle, which is a tissue made up of a type of specialized muscle cell, functions in which process? food digestion skeletal movement pumping of blood heart contraction.

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.