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diaphragm flattens and the chest wall moves up and out to decrease the pressure in the thorax. Inspiration occurs bringing air from the atmosphere into the mouth/nose and down the trachea, into the bronch...

During prophase chromatin condenses and supercoils, and so the chromosomes become visible. The nuclear envelope breaks down and the centrioles migrate to opposite poles of the cell and start to produce th...

An impermeable membrane is one through which no substance can pass. Semipermeable membranes are those which only let solvents, such as water, pass through them. Permeable membranes are those which let sol...

Blood glucose levels increase after the consumption of carbohydrates. To answer this question, it is important to understand how the pancreas works. The pancreas is an organ that releases hormones - it is...

Autosomal recessive means that 2 copies of a allele are required for the phenotype. The phenotype is the set of observable characteristics due to the genotype. In this case the phenotype is whether an ind...