<span>The question says,' the purpose of the mucus found within the respiratory system is to .............. The correct option is B. The mucus found in the respiratory system function by trapping foreign particles that enter into the lungs especially thorugh the nose during breathing, thus mucus aid in protecting the lungs.</span>
Your body circulates more blood and your heart beats faster.
You need more energy to do activities that take more effort.
pls give brainliest.
DNA replication, if the chromosomes didn't replicate, there could be a mutation in the division.
The answer is Amino acids