11.   Hemoglobin F, or fetal hemoglobin, is composed of two alpha chains and two gamma chains.

12.   Hospitals are often composed of groupings based around particular medical skills such as physiotherapy or radiology.

13.   In antiquity it was believed the different classes of animals were composed of different kinds of matter.

14.   In each case, the result is a solid composed of atoms arranged in a regular pattern.

15.   It is composed of a single floral head within a diamond framework flanked by four outwardly curling leaves.

16.   Kaolinite clays are mainly composed of the clay mineral kaolin.

17.   Language is richly composed of many references which set up a commonality of theme between different parts of text or speech.

18.   Oil, gas, and coal, composed of organic carbon compounds, are found as economic deposits in sedimentary rocks.

19.   Other parts are composed of several muscles that vary in size.