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hi sisters how are you.??
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The skeletal system is vital in supporting the immune system because : Bones contain marrow, a porous material which creates both white and red blood cells. This replenishment of cells allows the body to fight and expel harmful bacteria, environmental toxins, foreign material e.t.c.
The white blood cells formed by the marrow are instrumental in isolating and destroying harmful particles (either on the site or in lymph nodes), or transporting them to the kidneys or bowels for excretion.
NOTE : Some people have marrow disorders which prevent their marrow from forming new cells; this is caused most often by cancer. Today, it is possible to transplant marrow from a healthy individual to a sick patient, and so help their bone marrow form new white and red blood cells to fight their sickness.
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The term voltage describes the electrical potential difference between two points.
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Now if you are talking about cells then Eukaryotic cells<span> contain membrane-bound organelles, including a nucleus. </span>Eukaryotes<span> can be single-celled or multi-celled, such as you, me, plants, fungi,and insects. Bacteria are an example of </span>prokaryotes<span>. </span>Prokaryotic cells do<span> not contain a nucleus or any other membrane-bound organelle.</span>
