Question

1. (A) Wool and silk come in many varieties. Through internet or talking
to your elders, find out these varieties, write their characteristics,
sources and process of final product.​

Answer 1

Wool is produced by follicles which are small cells located in the skin. These follicles are located in the upper

layer of the skin called the epidermis and push down into the second skin layer called the dermis as the wool fibers grow. Follicles can be classed as either primary or secondary follicles. Primary follicles produce three types of fiber: kemp, medullated fibers, and true wool fibers. Secondary follicles only produce true wool fibers. Medullated fibers share nearly identical characteristics to hair and are long but lack crimp and elasticity. Kemp fibers are very coarse and shed out.

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Answer 2

Explanation:

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