Why doesn’t gastric juice digest the inside of the stomach?

This is because the stomach has a lining that protects it from being digested. The stomach lining is made up of epithelial cells, which produce and secrete a bicarbonate-rich solution that coats the mucosa.

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.