biology

List of systems of the human body

List of systems of the human body is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand List of systems of the human body rather than just read about it. In short: This is a list of the main systems of the human body, including organ systems. An organ system is a group of organs that work together to perform major functions or meet physiological needs of the body.

Key takeaways

List of systems of the human body belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect List of systems of the human body to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of List of systems of the human body from memory before moving on to harder problems.

Reference excerpt

This is a list of the main systems of the human body, including organ systems. An organ system is a group of organs that work together to perform major functions or meet physiological needs of the body.

Major organ systems There are 11 to 12 distinct organ systems. The endocrine and exocrine systems are sometimes referred to jointly as the endocrine system.

Organ sub-systems

Cardiovascular Cardiac conduction system

Lymphatic Glymphatic system

Nervous Central nervous system Peripheral nervous system Autonomic nervous system Sympathetic nervous system Parasympathetic nervous system Enteric nervous system Somatic nervous system Sensory nervous system Somatosensory system Visual system Olfactory system Gustatory system Auditory system Vestibular system

Reproductive Female reproductive system Male reproductive system

Other systems Genitourinary system Haematopoietic system Immune system Innate immune system Adaptive immune system Mononuclear phagocyte system Reticuloendothelial system Musculoskeletal system Neuroendocrine system

See also List of distinct cell types in the adult human body List of organs of the human body

References

Illustrations

Worked examples

Example 1 — a first encounter with List of systems of the human body

Start with the simplest possible case. Write down what List of systems of the human body claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to List of systems of the human body before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about List of systems of the human body ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of List of systems of the human body

In research: List of systems of the human body appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses List of systems of the human body in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: List of systems of the human body is common in secondary-school and first-year university syllabi. It links to neighbouring topics Lists of human anatomical features, Organ systems, so understanding it makes those chapters shorter.
In everyday life: Look for List of systems of the human body outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study List of systems of the human body in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what List of systems of the human body means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain List of systems of the human body out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is List of systems of the human body in simple terms?

Why does List of systems of the human body matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study List of systems of the human body?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on List of systems of the human body.