The Top 10 Largest Organs in the Human Body

The human body is a truly wonderful thing. Filled with amazing organs to keep it all going they all work in unison. But which ones do you think are the biggest? How many of the human bodies biggest organs can you name? (Please note that this list doesn’t include the human skin as that is outside the body, but that is larger than any of the organs listed here.) Anyway. let’s find out some facts as we discover…



10 – Adrenals (Average Weight: 12G)

Info Source: The adrenal glands are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol. They are found above the kidneys. Each gland has an outer cortex which produces steroid hormones and an inner medulla.


9 – Prostate (Average Weight: 20G)

Info Source: The prostate is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals. It differs considerably among species anatomically, chemically, and physiologically.


8 – Thyroid (Average Weight: 35G)

Info Source: The thyroid gland is an endocrine gland in the neck, consisting of two lobes connected by an isthmus. It is found at the front of the neck, below the Adam’s apple. The thyroid gland secretes thyroid hormones, which primarily influence the metabolic rate and protein synthesis.


7 – Pancreas (Average Weight: 98G)

Info Source: The pancreas is a glandular organ in the digestive system and endocrine system of vertebrates. In humans, it is located in the abdominal cavity behind the stomach.

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6 – Spleen (Average Weight: 170G)

Info Source: The spleen plays important roles in regard to red blood cells and the immune system. It removes old red blood cells and holds a reserve of blood, which can be valuable in case of hemorrhagic shock, and also recycles iron.


5 – Kidneys (Average Weight: 290G)

Info Source: The kidneys are two bean-shaped organs found on the left and right sides of the body in vertebrates. They filter the blood in order to make urine, to release and retain water, and to remove waste.


4 – Heart (Average Weight: 315G)

Info Source: The heart is a muscular organ in humans and other animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, as well as assists in the removal of metabolic wastes. In humans, the heart is located between the lungs, in the middle compartment of the chest.


3 – Lungs (Average Weight: 1,090G)

Info Source: The lungs are the primary organs of respiration in humans and many other animals including a few fish and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart.

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2 – Brain (Average Weight: 1,408G)

Info Source: The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. The brain is located in the head, usually close to the sensory organs for senses such as vision.


1 – Liver (Average Weight: 1,560G)

Info Source: The liver is a vital organ of vertebrates and some other animals. In humans, it is located in the upper right quadrant of the abdomen, below the diaphragm.

Author: Gus Barge

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