Question

Define
a) cell
b)plastic​

Answer 1

Explanation:

(a) the closed-cell type, in which each individual cell, more or less spherical in shape, is completely enclosed by a wall of plastic .

(b) the open-cell type, in which the individual cells are intercommuni- cating.

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Answer 2

Answer:

Cells are the basic building blocks of all living things. ... Cells also contain the body's hereditary material and can make copies of themselves. Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.

a synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be moulded into shape while soft, and then set into a rigid or slightly elastic form.

Explanation:

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