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.
The smallest planet in our Solar System, Mercury only has a diameter of 4,878 km. As a comparison, Mercury is not much larger than our Moon, which has a diameter of 3,473 km. One reason why Venus is nicknamed Earthâs twin is because it is almost the same size as our own planet.