What is the scientific name for swallowing? which portions of the pharynx does food pass through when swallowing? what is the function of the esophagus?

1) The scientific name of swallowing is Deglutition. It is the process of passing of the food from mouth through pharynx into the esophagus while at the same time shutting the valve of the trachea known as epiglottis.

2) The parts of the pharynx through which the food passes are:

a) Oropharynx.

b)Laryngopharynx.

3) The functions of the esophagus are as follows:

i) Acts as a conduit or passage that allows food to travel from food to stomach.

ii) Regulates the movement of the food into the stomach.

iii) Helps in lubrication of the food that aids in digestion.

iv) It prevents the reverse movement of the food from stomach back into the mouth.

between the two muscle layers is the myenteric or auerbach's plexus, which controls peristalsis. in the colon, the muscularis externa is much thicker because the feces are large and heavy, requiring more force to push along. the stomach has a third layer of muscularis externa: the inner oblique layer.

answer: the answer is d.

explanation: this is because when you exercise you make your muscle produce a certain liquid, that does not evaporate it.   also when you exercise you do not reduce muscle fiber.   and it does not really control your twitch that much.