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Unit Two: Cell; Structure and Function - Chapter 3: Differentiation of Cells and Diversity of Plant and Animal Tissues

besides the circulatory system such as skeletal
system, muscular system, nervous system,
digestive system, respiratory system, excretory
system, reproductive system and so on.

Plant Tissues
Plant tissues vary into simple and compound
tissues.

First: Simple tissues

There are three types of simple tissues:

Parenchyma tissue:

The cells of parenchyma tissues are oval or
round shaped. Their walls are soft and elastic
and contain spaces among them for aeration.
The parenchyma tissue contains chloroplasts,
chromoplasts, or leucoplasts.

Parenchyma cell contains one big vacuole or
more filled with water and mineral salts. The
parenchyma tissue performs several functions

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