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(i) What is a tissue? (ii) Name and explain the types tissues in : (a) animals (b) plants

a) i) What is a tissue?

ii) Name and explain the types of tissues in :

a) animals
b) plants

Answers

Felix
a) i) A tissue is a group of cells of a particular type that are grouped together to perform the same function.

ii) a) Tissue types in animals.

1. Epithelial tissue- This is a thin continuous layer of cells for lining and protection of internal and external surfaces.

2. Skeletal muscle- This is a bundle or sheets of elongated cells with fibres that can contract. Its contraction and relaxation brings about movement.

4. Blood tissue- This is a ?uid containing red blood cells, white blood cells and platelets.

The main functions of blood tissue are transportation of nutrients and gases as well as protection of the body against infections.

5. Connective tissue- This tissue consists of strong fibres that connects other tissues and organs thereby holding them in position.

ii)b)Tissue types in plants.

1. Epidermal tissue- This is a single thin layer of cells covering the outer surfaces. It protects inner tissues of plants from mechanical damage and infection.

2. Palisade tissue- This is a group of cells rich in chloroplasts containing chlorophyll. It has a site for the absorption of light energy and manufacture of food by photosynthesis.

3. Parenchyma tissue- This tissue consists of special thin walled irregularly shaped cells. They form packaging and storage cells.

4.Conducting tissue/Vascular bundle- This tissue consists of xylem and phloem. Xylem conducts water and dissolved mineral salts in a plant while phloem conducts food substances in solution.
Anganifelix answered the question on May 8, 2018 at 11:33

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