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You can still have a fairly normal life without one of your lungs, a kidney, your spleen, appendix, gall bladder, adenoids, tonsils, plus some of your lymph nodes, the fibula bones from each leg and six of your ribs.
How Many Organs Are There in the Body? An organ is a collection of tissues joined in a structural unit to serve a function. The number of organs depends on who in the medical field is asked and how they count it. The general count is 78 organs. Bones and teeth are each counted only once.
- Marissa Laliberte
- You can survive without some organs. The human body is full of tissues, bones, other little-known body parts, and organs. However, you can actually get by without some of the body parts you were born with.
- One lung. You need at least one lung to breathe, but the other can be removed to treat lung cancer, tuberculosis, or other lung diseases. Breathing is harder but still possible when one of the organs is removed.
- Colon. The large intestine might have to be removed to treat colorectal cancer or an inflammatory bowel disease such as Crohn’s disease or ulcerative colitis, and the doctor might need to take the rectum out along with it.
- Reproductive organs. While reproductive organs are important for hormone production, your sex life, and having children (if that’s important to you), they aren’t necessary for survival.
It is widely believed that there are 79 organs (this number goes up if you count each bone and muscle as an organ on their own, which is becoming a more common practice [1] [2]); however, there is no universal standard definition of what constitutes an organ, and some tissue groups' status as one is debated. [3]
SystemSubsystemBody PartsOrgansMusculoskeletalMusculoskeletalMusculoskeletalMusculoskeletalMuscles- The Circulatory System
- The Lymphatic System
- The Respiratory System
- The Integumentary System
- The Endocrine System
- The Digestive System
- The Urinary (Excretory) System
- The Musculoskeletal System
- The Nervous System
- The Immune System
The circulatory systemtransports oxygen and nutrients to all corners of the body. It also carries away carbon dioxide and other waste products. When people talk about this organ system, they’re usually talking about the cardiovascular system at large, which includes: 1. The heart 2. Blood 3. Blood vessels (arteries and veins) The circulatory system...
The lymphatic systemis the drainage system of the body. It plays an important role in your immunity, blood pressure regulation, digestion, and other functions. This organ system carries excess fluid, proteins, fats, bacteria, and other substances away from the cells and spaces between cells. It does this using: 1. Lymph vessels 2. Lymph nodes 3. Ly...
The respiratory system is responsible for breathing, which is the controlled movement of air in and out of the body (ventilation). It also moves oxygen and carbon dioxide into and out of the bloodstream (respiration). This organ system contains the following: 1. Lungs 2. Trachea(windpipe) 3. Airways of the respiratory tree One of the least understo...
The integumentary systemis unique because it is the largest and only single-organ system in the body. It protects the body from the external environment and helps regulate body temperature. The integumentary system is the skinand all the structures in it, including: 1. Sweat glands 2. Hair follicles 3. Nails 4. Nerves
The endocrine systemmostly regulates metabolism and uses the products of digestion. Along with the nervous system and immune system, it’s generally considered one of the most complicated systems in the body. This organ system includes all the glands that secrete hormones into the bloodstream, including: 1. Adrenal 2. Gonads (ovaries and testicles) ...
The gastrointestinal (GI) systemis sometimes referred to as the gut or the digestive system. It is responsible for breaking down foods into nutrients, which the body needs for energy, growth, and cell repair. This system includes all the organs that carry food from where it enters the body to where it exits, including the following: 1. Mouth 2. Eso...
The urinary system includes: 1. Kidneys 2. Ureters 3. Bladder 4. Urethra These organs work together to filter blood and remove toxins and waste from body tissues. The removal of excess fluid through this organ system also helps regulate blood pressure.
The musculoskeletal systemprovides the framework and the engine for our movement, posture, and physical abilities. This organ system includes: 1. The skeleton 2. All the muscles, tendons, and ligaments attached to the skeleton
The nervous systemis a network that makes it possible for different parts of the body to communicate with one another. Think of it as your body’s command station. All body processes, reactions, thoughts, and movements stem from this organ system. The nervous system is incredibly detailed and includes: The Central Nervous System 1. The brain 2. The ...
The immune systemhelps the body fight against infection and other diseases. All of its organs are borrowed from other organ systems. Because of the interplay between organs from various other systems, the immune system is one of the most complicated systems of all. The primary organs of the immune system include: 1. Lymph nodes 2. Bone marrow 3. Th...
Oct 6, 2017 · When you donate a pint of blood, you lose about 3.5 trillion red blood cells, but your body quickly replaces them. You can even lose large chunks of vital organs and live. For example, people...
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Can you lose vital organs and live a normal life?
There are about 78 organs in the human body, and each performs one or more vital functions. But do we really need all of those, or are there organs we can live without? As it turns out, we don’t exactly need all of our organs in order to survive.
