3 results for “hollow bones”

1. Animals

   Birds

   bones are hollow, braced inside with struts like an aircraft wing; a frigatebird's skeleton weighs

   Article · 3 min read

   

2. The Human Body

   The Skeleton and Bones

   bone, aligned along the lines of stress like the girders of a bridge. The hollow shaft

   Article · 5 min read

   

3. The Human Body

   Muscles

   bone in your ear. They are the only muscles under conscious command. Smooth muscle lines the walls of hollow

   Article · 4 min read