WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms muscle weakness and weight loss (unintentional) including Lack of exercise, Hypocalcemia, and Multiple sclerosis. There are 44 conditions associated with muscle weakness and weight loss (unintentional).
What is the smallest structure in biology? Electrons Electrons are the smallest part of an atom. However, in Biology, the smallest unit is an atom, which make up molecules, compounds, organelles, cells, tissues, orgâ¦ans, organ systems, organisms, populations, spheres, and eventually everything. 1 person found this useful.
What could be the world's smallest bearings are custom engineered by Berkeley Lab's Materials Sciences Division (MSD) Berkeley, California USA. The bearings are a few billionths of a meter in size (about ten thousand times smaller than the diameter of a human hair) out of individual multi-walled carbon nanotubes (MWNTs).