Why are your extremities often the last places to receive blood flow? A. They are the smallest parts of your body. B. They don't need blood flow to stay warm. C. They are the furthest from your heart. D. They are not the last place to receive blood.

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.