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<span>The Nervous tissue or nerve tissue. The nervous tissue is the main component in the nervous system. The function is to create a communication network in the body by creating electrical signals across the tissue.</span>
The theory of spontaneous generation exclaimed that living organisms could arise from non-living matter.
Schwann affected this theory by demonstrating that fermentation required the presence of yeasts to start and that was not caused by oxygen as was speculated.
Schwann concluded by his experiments that sugar was converted to alcohol as part of an biological process based on the action of a living organism - the yeast.
Crystalline silica is a natural compound in the earth's crust and is a basic component of sand and granite. Silicosis is an incurable disease of the lungs caused by breathing crystalline silica dust. This dust can cause scar tissue to form in the lungs.
Pallor is a pale color of the skin. If a patient is
dark-skinned, you can assess it in three different ways. First, you can assess
his or her Buccal Mucosa. Buccal Mucosa refers to the interior lining of the
cheeks and surface of the mouth. Second, you can check the patient’s sclera.
Sclera refers to the white exterior coating of the eyeball. Last but not the
least, you can also check the patient’s conjunctiva. Conjunctiva refers to the
mucous membrane that shelters the front of the eye.