Web1336 Words. 6 Pages. Open Document. The human body is very complex. It is like a job. You have to do a million things in one day to make it through the day. The body uses nine systems to do all of those jobs. They all have separate functions, but some work together. Each system is also made up of organs. WebThis is a copy of the original book. In this series, we are bringing old books back into print using our own state-of-the-art techniques. Generally, these books are created from careful scans of the original.

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WebJun 13, 2009 · Best Answer. Copy. The brain is arguably the most important part of the human body, because it controls all the body's functions. Wiki User. ∙ 2009-06-13 20:56:56. This answer is: WebFeb 18, 2024 · Brain. The human brain weighs about 3 pounds or 1.36 kilograms. It’s about the same size as two clenched fists. The approximate size dimensions of the brain are as follows: Width: 5.5 inches or ... metal cutting machines for sale

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WebChemically, the human body consists mainly of water and of organic compounds —i.e., lipids, proteins, carbohydrates, and nucleic acids. Water is found in the extracellular fluids of the body (the blood plasma, the lymph, and the interstitial fluid) and within the cells … pancreas, compound gland that discharges digestive enzymes into the gut and … In general structure, the human body follows a plan that can be described as … human sensory reception, means by which humans react to changes in external … human reproductive system, organ system by which humans reproduce and bear … renal system, in humans, organ system that includes the kidneys, where urine is … human development, the process of growth and change that takes place between … The main role of carbohydrates in the human body is as a source of fuel. … The human body is made up of many parts. The study of these parts is called … WebOct 7, 2024 · The human body is incredibly resilient. 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 can live relatively normal lives with just half a brain). WebMar 11, 2024 · 5. Faces and eyes In a surprisingly low turnout, only 2% of women say they’re most attracted to faces, and 3% of women say they’re attracted to eyes the … metal cutting pmts 180 a1