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Body Fluids

Body Fluids

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Body fluids are the liquids that are found within the human body, which are necessary for maintaining bodily functions and overall health. These fluids include blood, lymph, cerebrospinal fluid, urine, and various secretions produced by the body.

Blood is a fluid that circulates throughout the body and is composed of plasma and blood cells. It transports oxygen, nutrients, and waste products to and from the body's cells.

Lymph is a clear fluid that circulates through the lymphatic system and helps to remove waste and toxins from the body.

Cerebrospinal fluid is a clear, colorless liquid that surrounds the brain and spinal cord, providing protection and nourishment to these vital organs.

Urine is a waste product produced by the kidneys that contains excess water and other waste materials that have been filtered from the blood.

Other body fluids, such as saliva, tears, and sweat, contain enzymes and other substances that help to break down food and protect the body from infection.

The balance of body fluids is important for maintaining normal bodily functions and overall health. Dehydration or fluid overload can cause a range of health problems, including electrolyte imbalances, kidney failure, and cardiovascular disease. It is important to maintain a healthy balance of fluids in the body by drinking enough water and electrolyte-containing fluids, and by monitoring fluid intake and output in certain medical conditions.

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  • MedlinePlus. (2021). Body Fluids.
  • Harvard Health Publishing. (2021). Fluids and Electrolytes: Keeping the Right Balance.
  • American Heart Association. (2021). Understanding Blood Pressure Readings.
  • Centers for Disease Control and Prevention. (2021). Hyponatremia.