A group of students is reviewing information about cast composition in preparation for a discussion on the advantages and disadvantages of each. The students demonstrate understanding of the topic when they cite which of the following as an advantage of a plaster cast:

Plaster cast is made up from dry muslin containing starch or dextrose and calcium sulfate.

Explanation:

It is applied to protect and  is immobilize an injured bone or joint because it provides rigidity.

It is also used to help the bone and joint from reduce pain that is created during movement.

When plaster becomes wet,it reacts (Between water and calcium sulfate) and produces heat that eventually sets the plaster.It becomes hard when it dries.

The color of plaster casts are smooth and white.

i have to report this, it doesn't relate to biology

the sphincter muscles at the end of the digestive tract is the anus.