Tweet. The publicâs response to Chevroletâs introduction of the Corvair likely led their management to believe that the market was not overly interested in four-passenger sports cars. That view changed mightily by late 1964 when Ford sold 100,000 Mustangs in the first six months and then half a million in the first year of production.
Organs that help with digestion, but are not part of the digestive tract, include the following: Tongue. Glands in the mouth that make saliva. Pancreas. Liver. Gallbladder. Parts of other organ systems, such as nerves and blood, also play a major role in the digestive process.rgans that help with digestion, but are not part of the digestive tract, include the following: Tongue. Glands in the mouth that make saliva. Pancreas. Liver. Gallbladder. Parts of other organ systems, such as nerves and blood, also play a major role in the digestive process.
The human gastrointestinal tract is the stomach and intestine, sometimes including all the structures from the mouth to the anus. (The  digestive system  is a broader term that includes other structures, including the accessory organs of digestion).In an adult male human, the gastrointestinal (GI) tract is 5 metres long in a live subject, or up to 9 metres without the effect of muscle tone, and consists of the upper and lower GI tracts.The  digestive system  is a broader term that includes other structures, including the accessory organs of digestion). In an adult male human, the gastrointestinal (GI) tract is 5 metres long in a live subject, or up to 9 metres without the effect of muscle tone, and consists of the upper and lower GI tracts.