The digestive system is the chemical breakdown of food into smaller components that are more easily absorbed into the blood stream.
Rat Digestive System
As humans we have similarities to the rat digestive system. They are listed as the following:
Similarities
Three main areas of digestive system: salivary glands, oral cavity and the abdominal cavity.
There are also differences between Rat and human digestive system:
Differences
We as humans have gall bladder and rats don't. Rats instead have a bile duct which is formed with tubes to the liver.
Below is a picture of my rat dissection, it shows parts of the digestive system.
Respiratory System
The respiratory system of rat and human are very similar except for a few minor differences. They both use the system to exchange carbon dioxide and air.
Similarities
four chambered heart,
Differences:
Rats hearts take more breaths per minute than humans because their hearts beat faster.
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