Consider A, B and C for oesophagus and choose option which have all correct statements for it ? A. It is a thin and long tube B. It extends anteriorly passing through neck thorax and diaphragm C. It's upper end have huge amount of longitudinal muscles so it remains closed normally only opens at the time of swallowing

A.It is a thin and long tube

Explanation:

esophagus passes food from the pharynx to the stomach, is about 25 cm (10 inches) in length; the width varies from 1.5 to 2 cm.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

we would need to see the picture to answer it