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structure

Primary Information
Secondary Information

Definition

A structure is a collection of elements that are arranged in a particular way. The elements can be physical objects, such as atoms or molecules, or they can be abstract concepts, such as ideas or relationships.

The structure of a system determines how it behaves. For example, the structure of a molecule determines its chemical properties. The structure of a building determines how strong it is and how much weight it can support.

There are many different types of structures. Some common types of structures include:

  • Physical structures: These are structures that are made up of physical objects. Examples of physical structures include buildings, machines, and bridges.
  • Biological structures: These are structures that are made up of living organisms. Examples of biological structures include cells, tissues, and organs.
  • Chemical structures: These are structures that are made up of atoms and molecules. Examples of chemical structures include DNA, proteins, and carbohydrates.
  • Abstract structures: These are structures that are made up of abstract concepts. Examples of abstract structures include mathematical equations, computer programs, and legal codes.

The study of structure is called structuralism. Structuralism is a field of study that is concerned with the relationships between the elements of a system and how those relationships determine the behaviour of the system.

How can the word be used?

The company has restructured its management team.

structure

Different forms of the word

Noun: structure (plural: structures).

Verb: to structure.

Etymology

The word "structure" comes from the Latin word "structura", which means "arrangement" or "building". It was first used in English in the 14th century.

The word "to structure" means to arrange or organise something in a particular way.

Question

Why is structure important?

AQA Science Exam Question and Answer

Question:

Describe the hierarchical organization of biological structures within living organisms. Explain how cells, tissues, organs, and organ systems are interrelated and collaborate to maintain homeostasis. Provide an example of a specific organ system and its function.

Answer:

Living organisms exhibit a complex hierarchical structure, ranging from cells to entire organ systems. Cells are the basic building blocks of life, each performing specific functions. Groups of similar cells form tissues, which work together to carry out specialised tasks. Different tissues combine to create organs, each with distinct functions that contribute to the overall survival of the organism.

These organs collaborate within organ systems, where multiple organs work in harmony to maintain homeostasis – a balanced internal environment. For example, the circulatory system includes the heart (an organ) along with blood vessels and blood (tissues), collectively ensuring the distribution of nutrients, oxygen, and waste products throughout the body.

The heart pumps blood, blood vessels transport it, and blood delivers essential substances. This system's proper functioning maintains the body's equilibrium and allows cells to thrive. The interdependence of cells, tissues, organs, and organ systems underscores the remarkable complexity of life and the coordinated efforts required for an organism's survival and well-being.