because trachea has cartilage rings and oesophagus not
Esophagus is smooth in texture... Trachea is segmented in texture because trachea contains cartilage rings... Due to presence of cartilage rings, it is made sure that the trachea doesn't collapse leading to difficulty in breathing.. Anatomically, trachea is placed ventral to esophagus.
There is more space that is occupied by H20 in the alveoli than the trachea. (BTPS - body tempertaure ,pressure saturated)
I think what you mean is tachycardia, which is faster than normal heart ranges. tachys:rapidor accelerated - kardia or cardia: of the heart. The Trachea is part of your lower airway system.
Some maps of the world might look different than others because of the date the map was made. It also might be different because of the maker of the map.
This is true with all the epithelial tissue. You have different type of epithelium on your palm and sole. You have different type of epithelium in your nose than trachea and bronchial tree. You have different type of epithelium across the GI tract.
Pokemon can look different and have different sizes. Since there are more than 500 Pokemon, you should be more specific.
It will look different than it looks today. That is as far as I'm concerned.
No different than any other girl
Because more people watch movies than shows.
There was more to do than look for food. There were many different jobs to do. Civilizations required a wide range of jobs.
There was more than one with different costumes.
Much different than they are today.