Freshwater crocodile the same weight. This allows them to live for a half a year without eating. After the food goes down the throat, it is met in the gizzard by sand and rocks -these elements help break apart the bones, horns, hooves, hide, and flesh. This more broken-down material then enters the hydrochloric acid of the stomach. The hearts of other reptiles are designed to contain three sections including two atriums and ventricle. The right atrium, which collects the returned de-oxygenated blood and the left atrium which collects the oxygenated blood collected from pulmonary arteries of the lung, takes the blood
Stomach the stomach through its lining. This includes: The parietal cells of the human stomach are responsible for producing intrinsic factor, which is necessary for the absorption of vitamin B12. B12 is used in cellular metabolism and is necessary for the production of red blood cells, and the functioning of the nervous system. The movement and the flow of chemicals into the stomach are controlled by both the autonomic nervous system and by the various digestive hormones of the digestive system: Other than gastrin, these hormones all act to turn off the stomach action. This is in response to food products