I would say feelings of worthlessness. You can't really see it on their body, but they can tell you if they choose to, so that makes it hidden in my opinion.
I hope that helps!
Answer:
I might be wrong, but I think it's nasal membranes.
Explanation:
The correct answer is C. Play is necessary to reenergize human cognition.
When children play, it stimulates their senses, their motor skills and their language patterns. :))))
Protein receptors in the nucleus or cytoplasm.
The answer would be C, 22%
