The answer is B.
Which is “When the air is in the respiratory
medium, there is a greater risk that the tracheal tubes will collapse. The
cartilage in the respiratory system gives support
to the tubes against negative or positive
pressure, during respiration, hence keep
it open.
Cell division is regulated by two major genes D. oncogenes, and tumor suppressor genes, which stimulate cell division and, inhibit cells.
Cell division is the technique by the way which a parent cell divides, whilst a mother cell divides into or greater daughter cells. cellular department commonly takes vicinity as a part of a bigger cell cycle. In eukaryotes, there are distinct sorts of cell division that take place.
Cell division is the manner wherein a parent cell divides, giving a push to 2 or greater daughter cells. it is a crucial biological method in every lifestyle. cell division is fundamental to all residing organisms and required for increase and improvement. As a crucial approach to reproduction for all dwelling matters, the cell department allows organisms to switch their genetic fabric to their offspring.
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Any photos below 7 is known as acidic, the lower the pH the more acidic the solution I believe.