One of the most important human luggage compartment schemas is the tightly fitting form. Without it, our bodies would not be able to function at all. The unavailing system of rules provides shape and support, enables movement, protects the native organs, affirms stemma cells, and stores certain materials until the form needs them. The skeleton determines the shape of a body, bid a wood frame determines the shape of a house, with the backbone (vertebral column) populace the center of the skeleton. By working together with muscles, the strong, lightweight fatigue away enable movement as well. Also, they protect internal organs the skull protects the brain; the ribs protect the lungs and heart. In addition, bone produce blood cells and other substances that the body needs. Finally, they store materials like atomic number 20 and phosphorus. These pull in the bones strong, and when the body needs them, the bones release excellent amounts into the blood. Another cr ucial body system is the excretory system. It is the system that collects wastes produced by cells and removes them from the body by excretion. If we didnt have it, wastes would beneficial pile up and make us sick. Materials that need to be eliminated from the body include excess water, coke dioxide, and urea, a chemic that comes from the breakdown of proteins.
The kidneys ar the major organs of the excretory system and they get rid of urea and the surplus water. The waste runny produced by the kidneys is called urine, and it contains both(prenominal) these substances. When urine is formed, both wastes and take materials, like glucos e, are removed from the blood. Most of the n! eeded material is subsequently returned to the blood. Urine flows from the kidneys through the ureters, and down into the urinary bladder, where it is stored. The kidneys act as filters and contain about 1 billion tiny nephrons. As urine forms, they maintain homeostasis by regulation the water take in our bodies. Besides the kidneys, other organs of excretion are the lungs, skin, and liver. When we...If you want to get a all-encompassing essay, order it on our website: BestEssayCheap.com
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