Red blood cells, also called erythrocytes, are the most abundant cell type in the blood. Other major blood components include plasma, white blood cells, and platelets. The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs.
A red blood cell has what is known as a biconcave shape. Both sides of
the cell's surface curve inward like the interior of a sphere.
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<span>Plasma BloodBlood HemoglobinBlood TransportHuman Blood CellsCell Function Biology</span>
This shape aids in a red blood cell's ability to maneuver through tiny blood vessels to deliver oxygen to organs and tissues. Red blood cells are also important in determining human blood type.
Blood type is determined by the presence or absence of certain
identifiers on the surface of red blood cells. These identifiers, also
called antigens, help the body's immune system to recognize it's own red blood cell type.
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You must therefore be aware that the skull of craniate (with skull) vertebrates consists of different parts which enclose the brain, cranial nerves and other sense organs present in the head. The part of the skull, enclosing the brain is called the cranium and is composed of several bones.
Generation of carbonates from burnt plant material following fire disturbance causes an initial increase in soil pH that can affect the rate of secondary succession, as well as what types of organisms will be able to thrive. Soil composition prior to fire disturbance also influences secondary succession, both in rate and type of dominant species growth. For example, high sand concentration was found to increase the chances of primary Pteridium overImperata growth in Imperata grassland. The byproducts of combustion have been shown to affect secondary succession by soil microorganisms. For example, certain fungal species such asTrichoderma polysporum and Penicillium janthinellum have a significantly decreased success rate in spore germination within fire-affected areas, reducing their ability to recolonize.
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Halophiles are extremophiles that thrive in environments with very high concentrations of salt. <span>Halophiles prevent this loss of water by increasing the internal osmolarity of the cell by accumulating </span>osmoprotectants<span> or by the selective uptake of potassium ions. Hope this helps.</span>
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Cell division that produce two daughter cells.
