The digestive system is the series of tubelike organs that convert our meals into body fuel. There are about 30 feet (9 meters) of these convoluted pipeworks, starting with the mouth and ending ...

In 1894, Ivan Pavlov summarized the physiological state of knowledge about digestion in this way: The digestive canal is in its task a complex chemical factory. The raw material passes through a ...

Cut skin along mid-ventral line from genitals to abdomen. Cut around neck and paws. Pull skin off: don’t worry about being gentle. May want to wrap paws with paper towels and tie with elastics.

In addition to the digestive system, the interior of the test also houses the gonads (go) and the water vascular system (rwv). In regular echinoids there are five gonads, each connected to the ...

Heart Rate Increase in rate of contraction of cardiac muscle - cardiac output increases Decrease in rate of contraction of cardiac muscle - cardiac output decreases Breathing Rate Smooth muscle of ...

Comprehensive maps of mutations in healthy and diseased gastric tissue give clues about how cancer arises and could inform early-detection strategies. Read the paper: The somatic mutation ...