11 Human Body Systems And Their Functions Pdf

11 human body systems and their functions pdf

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You have probably heard this Billy Ray Cyrus song. Heartache, heartbreak Did you ever wonder why the heart is associated with love? The heart was once thought to be the center of all thought processes, as well as the site of all emotions.

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The organ systems of the human body all have specific functions. The VA uses the categories of major organ systems to classify disability claims. These systems, while interdependent, can become out of tune. When one is not functioning properly, the others will attempt to correct the problem. All the systems will work together to try to create what is known as homeostasis or a state of balance within the body.

The 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.

However, the disability systems are separated differently for rating purposes. These systems are listed with the medical listing and are identified independently when necessary. For Individual Unemployability ratings; if you are rated with more than one disability within one body system, your rating will increase towards unemployability.

Below is a description of the basic functions of each system as well as some of the diseases and disorders associated with each system. These lists are not complete and do not take the place of medical advice.

It acts as a barrier to physical, chemical, and biological agents. The skin prevents water loss and regulates body temperature. It transmits the senses of touch, pain, and pleasure and maintains body temperature by secreting sweat. The hair lubricates the scalp, which secretes pheromones and cools or warms our heads.

The nails protect our fingers, which are a major tool used for protecting ourselves and providing ourselves with food, shelter, and sensations. The skin leaves us most vulnerable when it is compromised by open wounds, allowing infectious agents into the body. The ribs protect the abdominal organs, which are both vulnerable to injury and dangerous to our well being when injured. The skull protects our brain which controls all functions of our bodies and minds. The skeleton provides the framework and shape to our bodies.

It also connects to our major muscles to allow movement. Bones store minerals such as calcium and create blood cells in the soft bone tissue called marrow.

Bones can break easily without enough calcium and are subject to such diseases as arthritis; cancers; scoliosis; osteoporosis, gout; bursitis; fractures and breaks; and amputations. This system transports clean fluids in our body back to the blood and drains excess fluids and debris from the tissues and cells of the body. It also houses the white blood cells lymphocytes involved in protecting our bodies from infection. This system maintains our breathing. It supplies the body with oxygen for cellular respiration by collecting oxygen in the lungs and disposes of carbon dioxide by breathing out the waste product.

It also provides our functions of speech and smell. Diseases and disorders of the respiratory system include allergies; rhinitis and sinusitis; laryngitis; COPD; pleurisy; bronchitis; emphysema; asthma; sarcoidosis; fibrosis; asbestosis; pulmonary vascular diseases; fungal or bacterial infections of the lungs; sleep apnea; tuberculosis of the respiratory system; and lung, throat, and other respiratory cancers.

Beginning with our mouths, this system is responsible for the breaking down and absorption of nutrients and the elimination of the waste not utilized by the body. It is responsible for identifying which minerals, vitamins, and other essentials from the foods we eat can be absorbed and utilized or stored by the body and which are to be disposed of, and carrying out those functions. This system is actually made up of two distinct parts; the central nervous system CNS and the peripheral nervous system.

The central nervous system is made up of the brain and spinal cord, and the peripheral nervous system is made up of all the nerves that lead into and out of the CNS to other parts of the body.

The entire nervous system controls all of the other systems of the body, such as digestion and cardiac rhythm, and responds to internal and external changes, such as activating muscles and breathing. It also transmits information to the brain, such as pain and external sensations. The heart, made of cardiac muscle, pumps blood and blood vessels such as arteries and veins, transport the blood to every part of our body providing organs and muscles with nourishment.

The blood carries oxygen, carbon dioxide, nutrients, waste and more throughout the body. Diseases and disorders associated with the cardiovascular system include myocardial infarction; coronary bypass surgery; arrhythmias; valve replacements; pacemakers; transplants; heart diseases ischemic; hypertensive; arteriosclerotic ; hypertension; aneurysms; fistulas; arteriosclerosis; anaphylaxis shock; varicose veins; cold weather injuries; and sarcomas of the blood vessels.

This system is responsible for eliminating waste products of metabolism and other materials from the body that are of no use. The system is also responsible for maintaining the balanced fluid volume in our bodies by regulating the amount of water that is excreted, maintaining the concentrations of electrolytes, and normal pH levels of the blood. Diseases and disorders of the urinary system include nephrosis, bladder cancer, urethritis, bedwetting enuresis , urinary and kidney stones and infections, renal failure, incontinence, blood in the urine, and interstitial cystitis.

The reproductive system mainly functions to create human life. Ovaries produce female sex hormones and eggs. 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:. 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.

Diseases and disorders include hearing loss; tinnitus; chronic earaches; balance disorders; and cancers of the ear. 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. Our veterans disability lawyers can assess your claim and help you obtain appropriate compensation.

We are sorry that this post was not as useful for you! Veterans living with mental illness are often able to obtain disability benefits through the United States Department of Veterans Affairs. As with other medical…. For purposes of…. How the VA Rates Mental Disorders The VA determines ratings for hundreds of different disabilities according to very specific criteria based on federal law.

If you are interested, you can…. Our firm was founded in in Orlando, Florida. Since that time, we have provided compassionate yet assertive representation for our clients. While we still have our home base in Florida, we represent clients nationwide. Learn more about us. Orlando, FL: E. Skip to primary navigation Skip to main content Skip to primary sidebar Skip to footer Search this website. Get a Case Evaluation. Human Body Organ Systems The organ systems of the human body all have specific functions.

Skeletal muscles are also responsible for maintaining posture and producing heat. When muscles lack appropriate levels of oxygen they can cramp and tear, creating pain.

When not used they can atrophy and become useless. Diseases and disorders of the muscular system include muscular dystrophy; fibromyalgia; tendinitis; multiple sclerosis; and muscle strain or sprains; hernias. Cardiovascular Circulatory System — Heart, Blood Vessels The heart, made of cardiac muscle, pumps blood and blood vessels such as arteries and veins, transport the blood to every part of our body providing organs and muscles with nourishment.

VA Additional Systems 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. Infectious Diseases, Immune Disorders; and Nutritional Deficiencies 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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The Human Body Systems Guide

The Human Body: Linking Structure and Function provides knowledge on the human body's unique structure and how it works. Each chapter is designed to be easily understood, making the reading interesting and approachable. Organized by organ system, this succinct publication presents the functional relevance of developmental studies and integrates anatomical function with structure. Upper undergraduate, graduate and postdoc market, as well as professors and researchers studying functional anatomy, developmental biology, physiology and across the life sciences, dentistry and nursing. Cells — Fundamental Units of Life 2. Tissues — Cells Working Together 3.

The human body is actually an amazing coalition of many different systems that work together to keep everything functioning correctly. For example, some systems handle food and energy, while others focus on taking in oxygen and moving it around the body. By learning about the different systems working inside the body, you can understand how everything works together to keep you healthy, growing, and strong. Your brain and spinal cord are the major parts of the central nervous system. Different parts of your body send messages to the brain through the nerves and spinal cord.


***The purpose of the 11 organ systems is for the human body to maintain The 11 human body systems are as follows: Major Organs and Their Functions.


Human Body Organ Systems

Are you interested in learning more about how to obtain a diploma in a Medical Assistant program? Part of what you will learn during your Medical Assistant training are different terminology for anatomy and physiology. As a medical assistant student, you will become familiar with body systems and disorders and diseases common to those different body systems.

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 Interconnected Systems of the Human Body

A number of complex processes and systems together form the human body. Zillions of cells and many organs work in coordination in the body to enable us to perform everyday functions.

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