Chapter 21: The esophagus, trachea and main bronchi. Thoracic part of esophagus. The esophagus (figs. 21-1, 21-2 and 21-3) has cervical, thoracic, and abdominal parts, extending from the lower end of the pharynx (C6 vertebrae) to the cardiac opening of the stomach (T11 or 12 vertebral level).
Hi, The PSAT is a practice test for the SAT. Colleges do not see your scores, so there is no pressure to do well on it as a sophomore. However, juniors who take the PSAT can qualify for scholarships through the National Merit Scholarship Program if they are in the top 10% of test takers.
Picat is a simple, and yet powerful, logic-based multi-paradigm programming language aimed for general-purpose applications. Picat is a rule-based language, in which predicates, functions, and actors are defined with pattern-matching rules.he first line is a table mode declaration that instructs the system about how to table the calls and answers: + means that the argument is tabled, max means that the argument should be maximized, and nt means that the argument is not tabled. This predicate searches for a path with the maximum total sum.