... and a large Saltwater Crocodile holding a pig's head can simply crush the skull by flexing the muscles from a "standing start". The Crocodilian Body. The gas exchange system of a crocodile is very similar to mammals because it has a trachea connecting the mouth and lungs where air is inspired and expired. C rocodile Nervous System The crocodile is part of the class of reptiles and all brains and nervous systems in this class are fairly similar. Yet the muscles that open the jaws have little strength. Moreover they also have a palate to separate breathing and eating tubes, so they can breathe whilst eating, which is … Digestive system The crocodiles have teeth that have adapted for capturing and holding prey, and food is swallowed without chewing. The digestive enzymes and acids of a crocodile are able to break down the tissues of animals swallowed whole. The six activities involved in this process are ingestion, motility, mechanical digestion, chemical digestion, absorption, and defecation. The circulatory system of a crocodile is composed a four chamber heart which is similar to that of mammals , and birds. Deoxygenated blood while exiting the right ventricle goes towards the pulmonary arteries of the lung for exchange and mixes with oxygenated blood coming from the right aorta, feeding other organs that are instrumental for its slow metabolism. It opens to anus in female, cloaca in male. It also helps vital nutrients get to all the vital muscles of the animal but allows growth to occur. A crocodile is one of a few reptiles that is believed to transformed little since the dinosaur age. The digestive system ingests and digests food, absorbs released nutrients, and excretes food components that are indigestible. Crocodiles digest slowly; they can go months without food after eating a large animal. Cloaca, anus and rectum are lined with cuticle. He has about the same kind of pumping blood throughout the body where needed. Rectum is the short portion of the digestive tract at the end of the intestine. ... because small heavy items such as radio-transmitters stay in the stomach for long periods of time. These processes are regulated by neural and hormonal mechanisms. This is because the digestive system of a crocodile requires oxygen-rich blood.

Out of the reptiles the crocodile is considered to have one of the most advanced nervous systems. The crocodile has very strong sensory organs, the strongest being its … The digestive tract is short, as their food it is a relatively simple thing to swallow and digest. Cloaca is common opening of reproductive and digestive system in male; reproductive system in female opens through the vulva, which is separate from the anus.