Because it can cause serious infections in the lungs, blood and our brains...It may also cause urinary tract and infections in wounds.
Newton's First law of motion: An object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force.
This is also known as the law of inertia
Anyways, you feel tossed around because unbalanced forces are acting upon you while riding on a roller coaster. Hope this helps!
I believe the awnser is B
Phospholipids (lipid bilayer)
They add nitrogen to the soul through their nodules !
