Diffusion, Osmosis & Active Transport Crossword Puzzle

QUESTIONS LIST: diffusion : process by which molecules move from an area of high concentration to an area of low concentration, osmosis : movement of water across a semipermeable membrane from an area of high concentration of water to an area of lower concentration of water, active transport : movement of molecules against the concentration gradient, energy : used in active transport to move molecules, oxygen : gas that diffuses across the membranes of alveoli in the lungs, and into the blood, carbon dioxide : gas that diffuses across the membranes of alveoli in the lungs from the blood, surface area : a large _ allows for more exchange of materials in cells, alveoli : tiny air sacs in the lungs that allow for more gas exchange, stomata : holes in the surface of a leaf that allow for gas exchange, root hairs : tiny cells on plants that absorb minerals from the soil, down : movement of molecules is said to occur _ a concentration gradient, turgor : the pressure in a plant cell when it cannot take in more water, plasmolysis : when water is lost from a plant cell and the cell membrane pulls away from the cell wall, flaccid : a condition in which the plant cell has lot some water and has softened, isotonic : a solution in which a cell is placed that has the same concentration of dissolved substances as the inside of the cell