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(rbcs) cause them to burst (lyse), leading to an insufficient number of oxygen-carrying red blood cells in the circulation. the lifetime of the rbcs is reduced from the normal – days to just a few days in serious cases. [ ] [ ] the intracellular components of the rbcs are released into the circulating...
lipoproteins, to which cholesterol becomes attached may be the real cause of cholesterol buildup in the blood vessels. high-density lipoprotein (hdl) carries cholesterol out of the bloodstream for excretion, while low-density lipoprotein (ldl) carries it back into the system for use by various body cells...
potassium deficient, these guard cells do not function properly and moisture can escape. adequate potassium fertilization is essential for crops, specifically those under drought stress . when moisture is limiting, potassium is pumped out of the guard cells and the pores will close tightly, thus allowing...
cations perovskites materials get e-alerts abstract conspectus hybrid organic–inorganic metal halide perovskites (mhps) have emerged as excellent absorber materials for next generation solar cells owing to their simple solution-processed synthesis and high efficiency. this breakthrough in photovoltaics...
gasp for breath. therapies that manage the shortness of breath have marked the greatest improvement in the care for asthma. in the s investigators established strong links between the inflammation of the airways and asthma . advances in the understanding of asthma that followed implicated specific cells...
of the gi tract. these include the various cells of the gastric glands, taste cells , pancreatic duct cells , enterocytes and microfold cells . some parts of the digestive system are also part of the excretory system , including the large intestine. [ ] mouth oral cavity the mouth is the first part...
of the gi tract. these include the various cells of the gastric glands, taste cells , pancreatic duct cells , enterocytes and microfold cells . some parts of the digestive system are also part of the excretory system , including the large intestine. [ ] mouth oral cavity the mouth is the first part...
into the gonads. in males, certain y chromosome genes, particularly sry , control development of the male phenotype, including conversion of the early bipotential gonad into testes. in males, the sex cords fully invade the developing gonads. androgen production[ edit ] the mesoderm-derived epithelial cells...