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 stapes (aka stirrup) is the smallest of the three auditory  ossicles of the middle ear. These little bones amplify and  transmit sound vibrations from the tympanic mem â¦ brane (eardrum) to  the oval window. The stapes is in direct contact with the oval  window.