of those eligible, only a small fraction have actually given blood. in the united states, someone needs a blood transfusion about every two seconds. the average adult body contains - pints of blood. a newborn baby has about one cup of blood in his or her body. there are about one billion red blood cells...
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sometimes turn into cancerous cells. your cervix is the lower part of your uterus (womb), which opens into your vagina. the pap test is done during a pelvic exam. your doctor uses a swab to collect a sample of cells from your cervix. the cells are sent to a laboratory to check for abnormalities. back...
collagen fibres. whereas, cellular cementum is quite thick and contains both extrinsic and intrinsic collagen fibres. [ ] the first cementum to be formed during tooth development is acellular extrinsic fibre cementum. [ ] [ ] the acellular layer of cementum is living tissue that does not incorporate cells...
, are bound to melanin in the epithelial cells and travel with the ageing cells to the skin surface, where they are expelled from the tissue surface. in this way the melanocytes and kerationocytes together protect the tissue, with melanin serving as a toxic defence and cleaning agent. in the oral mucosa...
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research engineer nanoelectronics engineering nanodevices carvalho sandra research fellow nanoelectronics engineering nanodevices carvalho joana research laboratory assistant life sciences/nano food food quality and safety cavalli alessandro research fellow quantum & energy materials nanostructured solar cells...
of the duodenum, which are located in the intestinal glands . [ ] in humans, the secretin peptide is encoded by the sct gene . [ ] secretin helps regulate the ph of the duodenum by ( ) inhibiting the secretion of gastric acid from the parietal cells of the stomach and ( ) stimulating the production...