I believe it’s A I think, I think I’m right
Pharyngeal constrictor muscles (superior, middle and inferior)
The pharyngeal constrictor muscles are a group of muscles that form the lumen of the pharynx. After you swallow, an act that you have control, it starts a involuntary contraction by these muscles to propel the bolus downwards.
The correct answer is C. "when Henry ask "what is different with this plant that does not grow very well compared with the other house plants?" "
Abiotic, if I remember correctly.