When you inhale oxygen comes in then goes though trachea then lungs and into aveoli Then the blood carry oxygen to our body cells to remove carbon dioxide
A fire destroys many of the trees
The probability of a child with the phenotype of A will be 25%
Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
Most earthquakes are caused by faulting of rock in Earth's crust.
