The human stomach contains acids that aid in digestion. a stomach enzyme was placed in a solution that contained no acid. why did the stomach enzyme not work properly?

The smallest parts of these that retain their original properties are called

Me.henley said, “in the rat race we call life, only the strong will survive.” he may have been referring to

Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger