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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.
I just did this dissection on Friday. They're more smooth and firm. I'm 99% sure that this is because a fetus' lungs wouldn't have to expand and contract yet so it wouldn't take on that flexible, spongy texture. That's the answer I'm putting on my lab report anyway!
The singular for trachea is "trachea". The plural is "tracheae".
Trachea size
the trachea
No trachea is not the lung.
tThe trachea ends at the bronchia which takes air from the trachea to the lungs.
That tube is the trachea.
the trachea (windpipe)
trachea leads to the lungs
Anything that breathes has a trachea.
trachea is the breathing of insects