Examples of shell structures A bicycle helmet A bicycle helmet is a simple shell structure. The function of a bicycle helmet is to help protect a cyclist’s head.

TYPES OF STRUCTURES 1) Shell structures – A shell is used to enclose, hold, contain or protect something. Examples are an egg or a bottle.

IN thecidean brachiopods, which range from the Rhaetic to the present day, the shell-structure is less definite, and shows more variation, than in many other brachiopod sub-orders. Investigations ...

This paper brings together and reviews 1) avian egg shell structure, 2) shell physiology, and 3) physiological adaptations to extreme environments. Due to the abundance of information in the area of ...