The function of the respiratory system is to move two gases: oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them
Mitochondrion, It's the power house of the cell.
An animal that eats only plants is called a herbivore because it comes from herbs
To see metaphase I animated, click the Play button. The centrioles are at opposite poles of the cell. The pairs of homologous chromosomes (the bivalents), now as tightly coiled and condensed as they will be in meiosis<span>, become arranged on a plane equidistant from the poles called the metaphase plate.</span>
False. The number of trees is more than the number of trees cut down.
