The ability of a solution to cause a cell within it to gain or lose water. turgor. when a plan cell is placed in a hypotonic solution water moves in to the cell and to the central vacuole the cell's protoplast expands. The cell wall restricts expansion resulting in tugor pressure. diffusion. when molecules move from high concentration to low concentration.
For other uses, see Anemia (disambiguation). Anemia, also spelled anaemia, is usually defined as a decrease in the total amount of red blood cells (RBCs) or hemoglobin in the blood. It can also be defined as a lowered ability of the blood to carry oxygen.
1 Anemia is a medical condition in which the red blood cell count or hemoglobin is less than normal. 2  For men, anemia is typically defined as hemoglobin level of less than 13.5 gram/100 ml and in women as hemoglobin of less than 12.0 gram/100 ml. Anemia is caused by either a decrease in production of red blood cells or hemoglobin, or an increase in loss (usually due to bleeding) or destruction of red blood cells. 2  Some patients with anemia have no symptoms. 3  Those that do have symptoms may. 4  feel tired,