Which part of the nervous system reacts when the human body is subjected to stress?

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.

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.