Answer: cylindrical belly shape
Explanation:
Something that is giving a sea squirt its unique structure and shape is the presence of a cylindrical bell-shaped sac-like body. With that shape and body, there is coming an inhalant and exhalant shiphon-like structures.
All of that is giving a sea squirt its shape and structure.
People may experience:
Muscular: muscle weakness, problems with coordination, or loss of muscle
Heart: enlarged heart or fast heart rate
Also common: peripheral neuropathy, limb, loss of appetite, sensation of pins and needles, shortness of breath, or swelling in extremities
Granum is what the answer should be