Month: June 2019

Homeostasis | Gas Exchange | Regulation of blood pH

Homeostasis | Gas Exchange | Regulation of blood pH

Homeostasis is maintained by the respiratory system in two ways: gas exchange and regulation of blood pH. Gas exchange is performed by the lungs by eliminating carbon dioxide, a waste product given off by cellular respiration

the digestive system

Small(illeum) and large (colon) intestine

The small intestine, consisting of the duodenum, jejunum and ileum, is the site where digestion is completed and nutrients are absorbed. The small intestine is the t portion of the GI tract between the pyloric sphincter of the stomach and the iliocecal valve that opens into the large intestine