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www.reference.com/science/human-body-made-up-aef144249a02d3f5

According to About.com, water makes up between 65 and 90 percent of all cells in the human body. The remaining elements by mass include oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus, potassium, sulfur, chlorine, sodium, magnesium and trace amounts of iron, cobalt, copper, zinc, iodine, sel

www.reference.com/article/list-human-rights-18fdd2e8de49322d

A list of human rights generally includes the right to equality, the right to freedom from discrimination and the right to freedom from slavery. The right to a fair public hearing, the right to own property and freedom of religion are also human rights.

www.reference.com/science/many-body-parts-humans-8fac9a6a200aff24

Humans have many body parts including 206 bones and more than 600 muscles. Scientists discovered a new body part, a ligament in the knee now called anterolateral ligament in 2013 at the University of Leuven in Belgium.

www.reference.com/science/food-important-human-body-c152d05e67e6afa

Food is needed by the human body for energy, to repair and build cells and to prevent sickness and heal from it. While it is possible to obtain nutrients in a scientifically controlled manner, common food is the most efficient way of obtaining energy and nutrients.

www.reference.com/science/names-human-body-parts-30d5b4fae5cd8c54

The American Association of Anatomists explains the "Terminologica Anatomica" lists more than 7,500 named, human body parts in Latin, as of November 2014. The list of human body parts includes dozens of organs, more than 200 bones, hundreds of muscles, nerves, blood vessels and microscopic structure

www.reference.com/article/many-organs-human-body-7c17342ed0895682

Anatomists enumerate about 22 organs in the human body. Mainstream science designates five vital organs, including the brain, heart, kidneys, liver and lungs. Some educators raise the count of vital organs to ten, adding the pancreas, reproductive organs, stomach, small intestine and large intestine

www.reference.com/article/many-body-cells-human-f5d4a4795b41361e

According to a National Geographic article, the best available estimate of the number of cells contained in the human body is 37.2 trillion. The researchers who conducted the study added up the estimates for the total number of each type of cell to arrive at the total estimate.

www.reference.com/article/body-parts-form-human-respiratory-system-4915dc25d4672a78

The human respiratory system consists of the nasal cavity, pharynx, trachea, various divisions of the bronchi and two lungs. Air flows through the nose or the mouth into the pharynx, through the trachea, down the right and left bronchi and then through the smaller bronchioles. When it reaches the en

www.reference.com/science/brain-important-human-body-f1c57b8c49ebfff3

The brain is important in the human body because it allows a person to think, feel and store memories, and it controls and coordinates the body’s actions and reactions, states the Atlanta Brain and Spine Care. The brain is an incredibly complex organ composed of many parts, including the cranium, th

www.reference.com/article/names-major-human-body-part-f650496e1ea81b7

The body parts are grouped into several systems, including the nervous system of the brain, spinal cord and nerves that control the body, its muscles and glands; and the skeletal system of the bones and joints that support body structure, create blood cells and store minerals. Other systems include