It means shadow in English
It is fibers. The bundles of fibers are surrounded by a tissue inside the cell.
Hope I helped
I believe the answer is Sexual Orientation. That is what I would choose based on how the question is stated.
Answer:
Physical: nail-biting, teeth grinding, asthma, headache, back pain
Behavioral: difficulty concentrating, irritability, restlessness
Emotional: loss of motivation, worry, anger
True, because your body isn't producing enough
Fluids.