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.
(1) Molecule is the smallest particle of a compound. (2) Atoms exist in free states in the form of molecule. (3) Molecule may be formed by the combination of two or more similar atoms of an element, such asoxygen molecule is formed by the combination of two oxygen atoms, molecule of hydrogen which is formed by the combination of two hydrogen atoms.