• 10 systems
  • Checked October 2026

Organ System Labeled

Ten small bodies with one organ system drawn inside each, to tell apart by sight.

Tap any system to read, rename or leave it out

1 2 3 4 5 6 7 8 9 10
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Each numbered ring is a button. Use the arrow keys to move between them and Enter to choose. Names are read out in Study, and once a system is answered.

All 10 systems on the diagram

Show the list

Six to start 6

  1. Skeletal system Bones, cartilage, ligaments and tendons. It holds the body up and guards the soft organs.
  2. Muscular system The muscles that move the body. They also hold its posture and make heat.
  3. Digestive system Mouth, esophagus, stomach, intestines, liver and pancreas. It breaks food down and takes it in.
  4. Respiratory system Nose, pharynx, larynx, trachea, bronchi and lungs. It takes in oxygen and gives off carbon dioxide.
  5. Cardiovascular system The heart, arteries, veins and capillaries. It pumps blood around the body.
  6. Nervous system Brain, spinal cord and nerves. It controls the body and links its parts.

Four more 4

  1. Integumentary system Skin, hair and nails. It covers the body and guards what is inside.
  2. Urinary system Kidneys, ureters, bladder and urethra. It filters the blood and makes urine.
  3. Endocrine system Glands such as the pituitary, thyroid and adrenals. They send hormones through the blood.
  4. Lymphatic system Lymph vessels, lymph nodes, tonsils, spleen and thymus. It returns fluid to the blood and helps defend the body.

How this list was compiled: Every system and every organ named here checked on 2026-10-03 in at least two of these. (1) SEER Training Modules, Anatomy and Physiology, National Cancer Institute, a United States government work, https://training.seer.cancer.gov/anatomy/ : a system is an organization of organs that together perform complex functions; ten major systems (skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, reproductive), each with its organs. (2) Wikipedia, text only: List of systems of the human body, and Organ system, https://en.wikipedia.org/wiki/List_of_systems_of_the_human_body : eleven to twelve systems, the integumentary system among them (skin, hair, nails). (3) A medical manual for the public, its table of the major organ systems, https://www.merckmanuals.com/home/fundamentals/the-human-body/organ-systems : integumentary (skin, hair, nails), respiratory, nervous, digestive, endocrine, urinary and cardiovascular, each with its organs. Licence: own work

The drawing: Drawn for this site on 2026-10-05. The body outline follows a CC0 drawing, simplified by hand: Silhouette humain asexue anterieur posterieur.svg by Christophe Dang Ngoc Chan, 2013, Wikimedia Commons, CC0 1.0 (https://commons.wikimedia.org/wiki/File:Silhouette_humain_asexue_anterieur_posterieur.svg). The organs are our own geometry, placed by surface landmarks. Licence: own drawing; body outline from a CC0 drawing on Wikimedia Commons

How it works

Organs and organ systems labeled on one sheet: each small body shows one system. Ten of the eleven systems on most lists are drawn; the reproductive system is not. Tap a name, or press Quiz me.

Read the full guide

Six to start

The skeletal system is the bones. The muscular system moves them. The digestive system runs from the mouth to the intestines. The respiratory system is the airway and lungs, the cardiovascular system is the heart and blood vessels, and the nervous system is the brain, spinal cord and nerves.

Four more

The integumentary system is the skin, hair and nails. The urinary system is the kidneys, ureters and bladder. The endocrine system is a set of glands that make hormones. The lymphatic system is the lymph vessels and nodes, with the spleen, thymus and tonsils.

  • Circulatory counts for cardiovascular, and skin counts for integumentary.

Questions and answers

What are the 11 organ systems of the body?

Integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary and reproductive. Lists differ: one government training text counts ten and leaves out the integumentary system, and some lists add a twelfth.

What is an organ system?

Organs that work as a group to do a major job for the body. The stomach, intestines, liver and pancreas, for example, work together as the digestive system.

Is the circulatory system the same as the cardiovascular system?

For the heart and blood vessels, yes. The cardiovascular system is often simply called the circulatory system.

Can one organ belong to two organ systems?

Yes. The pancreas makes digestive juice and hormones, so it is counted with both the digestive system and the endocrine system.

How do I drag the labels onto the diagram to identify the organ systems?

Look for the one thing each figure shows: bones, muscles, a gut, lungs, a heart and vessels, a brain and nerves, skin, kidneys, glands or lymph nodes. Here you tap, not drag: this sheet is the site's own drawing, not a figure from any course.