Answer:
Covering mouth while sneezing
Explanation:
It prevents germs going airborne and spreading to another person or surface.
The other answers are ways to get better from an illness or are just inefficient
Answer:
It goes to the lungs for oxygenation via the pulmonary artery
Answer:
A significant part of a cosmetologist's training covers how to handle chemicals appropriately and keep clients safe. Learning about these in depth and demonstrating this knowledge is part of the certification process that all states require of cosmetologists.
Explanation:
I majored in Health