Human Anatomy and Physiology Textbook

Human Anatomy Organs 10 Interesting Facts!

Heres a list of 10 facts regarding human organ anatomy:

• The definition of an organ is "a collection of tissue than together shares a common function".


• There are 78 different organs in the human body.


• Humans have 11 major organ systems. These are the muscular, endocrine, digestive, circulatory, lymphatic, integumentary, nervous, reproductive, respiratory, skeletal and excretory systems.


• Organs can be found in all higher biological organisms, also in plants.


• Some organ system work together or overlap. An example is the muscular and skeletal system. This is often referred to as the musculoskeletal system.


• There are six vital organs in the human body. Without these we will die. The vital organs are the brain, the heart, the liver the kidneys, the lungs and the pancreas.


• The largest human organ is the skin, obviously in surface but also in weight. The liver is our second largest organ.


• The smallest human organ is the pineal gland and is located close to the center of the brain.


• The least important organ in our body has for a long time thought to be the appendix, since the purpose of it has not been discovered. Recent studies however indicate that it produces and protects good bacteria, which help us digest food.


• The smallest bone is the human body is the stirrup which is located in the ear, while the largest is the femur, which is the thigh bone.

Posted by darew at 12:45 PM

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