Answer:
the major function of mucus is to protect the lung through mucociliary clearance against foreign particles and chemicals entering the lung. Basically security for germs :)
Explanation:
Back when the Industrial Age was in motion many workers were hurt on the job, but keep working because they didnt get any money if they did not work. This lead to the contamination of products such as meat and other food items. Also children began to work back then as well and when mothers learned that thier children were getting hurt they demanded money to pay for the cost of medical bills.
Meiosis is a special type of cell division that cuts the chromosome number by half
The tadpoles take their food from the yolk of an egg. The egg yolk is equivalent to the placenta. T<span>he </span>placenta <span>attaches itself to the uterus to provide the </span>developing<span> foetus with blood and oxygen.</span>