Tissue Function

Tissue

	Function
Photosynthetic	Manufactures food for the plant
Xylem	Transport of water and mineral salts from the roots to the leaves
Phloem	Transports food and substances from the leaves and storage organs to other parts of the plant
Epidermal	Covers and protects the plants Prevents excessive water loss

Examples of tissues in animals

Tissue	Function
Blood	Transports materials from one part of the body to another Protects the body against infection
Nerve	Transmits nerve impulses
Muscle	Produce movement through contraction and relaxation of cells
Skeletal	Provides support Provides movement

Organs and systems
Organs
An organ is a collection of tissues specialized in carrying out a specific function.
Examples in plants include: leaves, stems, roots and flowers.
Examples in animals include; heart, brain stomach, liver kidney, limbs etc
System
A system is a collection of different organs performing a specific function.
Examples in plants include; roots and shoot system.
Examples in animals include; Digestive, circulatory, excretory, nervous, skeletal