The esophagus undergoes peristalsis and the muscular movements force the bolus to the stomach, even against the force of gravity.
<h3>Which is not an involuntary part of the swallowing reflex?</h3>
The tongue rolls chewed food into a bolus and pushes it to the oropharynx. larynx.
Thus, The esophagus undergoes peristalsis and the muscular movements force the bolus to the stomach.
To learn more about esophagus click here:
brainly.com/question/22906056
#SPJ1
I believe the answer is:
Lichens and mosses are non-vascular species.
I hope this helps! <3
Answer:
In the human body, cells are the basic units of life. Groups of cells working together for a specific function form tissues. Organs are two or more tissues operating together. Even separate organs work together, forming body systems.
If I looked for RNA in various parts of the cell, I would found it in the Nucleus and Cytoplasm.
