What systems are there in the human body

An organ system is a group of organs that work together to perform a complex function. There are eleven organ systems in the human body. All of these are required for survival, either of the person or of the species. When we think of—and talk about—the circulatory system , we're usually talking about the cardiovascular system, which includes the:.

The circulatory system transports oxygen nutrients to all corners of the body and carries away byproducts of metabolism. Blood pressure that's too high puts undue stress on other organs and tissues.

Low blood pressure means the blood—and its nutrients—won't make it to where it needs to go. The heart and blood vessels are not the only organs circulating fluid around the body, and blood is not the only circulated fluid.

The lymphatic system transports lymph a fluid using:. The lymphatic system is key for immunity, blood pressure regulation, digestion, and other functions. The lymphatic system is the drainage system of the body, carrying excess fluid, proteins, fats, bacteria, and other substances away from the cells and spaces between cells to be filtered, excreted, and recycled.

The lymphatic system also helps create and circulate vital cells that fight disease part of the immune system, which is covered below including lymphocytes, monocytes, and antibodies. The respiratory system contains the:. It's responsible for breathing , which is the controlled movement of air in and out of the body ventilation and the movement of oxygen and carbon dioxide into and out of the bloodstream respiration.

One of the least understood responsibilities of the respiratory system is to help regulate the body's pH balance. Carbon dioxide is made into carbonic acid, which the respiratory system can regulate through carbon dioxide levels.

When a patient has a condition that affects the body's acidity, respiratory rate and depth can be a sign of the problem. The integumentary system is skin, which includes all the:. The integumentary system is unique because it is the only single-organ system. Skin is both an organ and the entire organ system. The endocrine system includes all the glands that secrete hormones into the bloodstream.

The endocrine system mostly regulates metabolism and utilizes the products of digestion. The gastrointestinal GI system is colloquially known as the gut. It includes all the organs that carry food from where it enters to where it exits, including the:. The GI tract and the endocrine system have a lot of interaction. The GI system also plays host to a very important nerve called the vagus nerve.

This is the main contributor to the parasympathetic nervous system and has a lot to do with slowing metabolism, lowering heart rate and blood pressure, and stimulating the mechanics of digestion. The urinary system is made up of the:. These organs work together to filter blood and remove toxins and waste from body tissues. Eggs are fertilized in the fallopian tube by sperm then travel to the uterus, which provides the site for growth.

The mammary glands produce milk for the newborn. Diseases and disorders associated with the female reproductive systems include breast cancer, removal of breast or lumpectomy; hysterectomy; pregnancy complications; endometriosis; ovarian or cervical cancers; and diseases or injuries of the vulva, vagina, cervix, uterus, fallopian tubes, or ovaries.

The VA includes several other categories for disability claims that are more specific than or outside of the 11 main organ systems of the human body. These additional systems include:. Organs of Special Sense eyes. Diseases and disorders include any disturbances of field of vision; blurry vision; scotoma; muscle dysfunctions; intraocular hemorrhage; detachment of the retina; retinopathy; conjunctivitis; corneal conditions and transplants; aphakia; cataract; glaucoma; optic neuropathy; tear production issues; loss of eyelids, eyebrows, or lashes; tuberculosis of the eye, and cancers of the eye.

Impairment of Auditory Acuity ears. Diseases and disorders include hearing loss; tinnitus; chronic earaches; balance disorders; and cancers of the ear. Mental Disorders psychological issues. Mental disorders have changed throughout the years so if your ratings are older than ; they may be listed as a different disorder or be rated by different criteria. Ask your attorney or VSO to look at your ratings and see if you are in need of an increased rating based on the changes in the rating system.

Diseases and disorders under mental disorders include social impairments; anxiety; PTSD; obsessive-compulsive disorders; panic attacks; adjustment disorder; bipolar disorder; somatic disorders; depressive disorders; schizophrenia; schizoaffective disorder; delusional disorders; neuro-cognitive disorders; phobias; and eating disorders. This includes the diseases and disorders such as cholera; leprosy; malaria; trench fever; plague, rheumatic fever; typhoid fever; lyme disease; HIV; syphilis; lupus; non-respiratory tuberculosis; and chronic fatigue syndrome.

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Learn more about us. Veterans Disability Claim Contact Us. Orlando, FL: E. Ruined orgasms are about control, domination, and power. And with the right partner s , these aspects of kink can all be super sexy. Autosexual people are mainly sexually attracted to themselves. They typically experience little to no sexual attraction to other people.

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Lumbar epidural steroid injections can help relieve pain in the lower back and legs. Respiratory system Our bodies are made up of countless cells all requiring oxygen to carry out the important process of respiration. In this process cells use oxygen gas and produce carbon dioxide gas — a waste product that must be removed from the body.

The process of breathing allows these gases to be exchanged between the blood and lungs. Reproductive system The human body has a system of organs that work together for the purpose of reproduction.

The biological purpose of this process is the continuation of life. Nervous system The nervous system is made up of a network of specialised cells, tissues and organs that coordinate and regulate the responses of the body to internal and external stimuli. Equipped with his five senses, man explores the universe around him and calls the adventure science.

Our five senses make up a system within the nervous system. They are responsible for receiving information from the environment outside the body and relaying it to the brain for processing. Scientific knowledge is concerned with understanding how individual parts of a system work and how these systems work together to create a whole.