Are you trying to put these in order ? if so cell, tissue, organ , organ system , organism
The answer is B. Typically injected to the mother's spine
Epidural is a medical substance that is commonly used to reduce the amount of pain that the mother experiences during child labor ( it numbs the mother from the waist down)
it usually injected to the epidural space on the spinal cord
The answer to this question is Lube.
This process involves cleaning every parts of the frozen yogurt machine (even the smallest one on the inside)
This is really important because a frozen yogurt machine will always leave residual ingredients on its smallest parts and it could go rotten if it left inside
( i know because it was asked on Brainly before)