WebSep 26, 2024 · Like real machines, the human body also consists of many parts that work together to perform certain functions, which in the case of the human body include keeping the organism alive. ... calcium, and iron. The smallest unit of any of these pure substances (elements) is an atom. Atoms are made up of subatomic particles such as the proton ... WebThe body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs. For instance, digestive system organs cooperate to process food. The survival of the organism depends on the integrated ...
Composition of the human body - Wikipedia
WebAug 28, 2024 · It might seem unlikely: the body feels quite solid. But most of you is made up of cells filled with water. There’s enough structure to make it unlikely that you will run down the drain, but there is plenty of … WebMar 5, 2024 · Muscle tissue is made up of cells that have the unique ability to contract, or become shorter. Muscles attached to bones enable the body to move. Nervous tissue is … screen record in obs
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WebThe adult human body has 206 bones. These bones are divided into two main parts: Your appendicular skeleton and your axial skeleton. Your axial skeleton is made up of the bones along your vertical axis. Axial comes from the word “axis,” which means line. The bones line up along the central core of your body. WebMatt B. 7 years ago. Water is not an element but a molecule but it is the most common molecule in our bodies. Oxygen is the most common element by mass (43% of all weight; carbon is 16% and hydrogen is 10%) in the body. The most common element by number is hydrogen (62% of all atoms; water is only 24% and carbon is 12%). WebNov 9, 2024 · A piece of hair may look simple, but it’s one of the body's most complicated structures. Hair is made up of two separate structures. The hair follicle is the part below the skin, and the hair shaft is what you see above your skin. ... The shaft—the part of the hair we see—is made up of dead cells and consists of three different layers. As ... screen record in lenovo laptop