The option B is correct..
The intervertebral discs, which are between vertebrae, are the parts that prevent the vertebrae from grinding against one another.
The intervertebrals discs act as a cushion; they absorb the stress and shockw that occur during movement, preventing such grinding.
Answer:
More than one of the above
Explanation:
I strongly recommend sticking with the prescribed dosage of a drug.
A drug works by binding itself to the receptor site of a cell or tissue by non-covalent interactions.
Repeated doses of the same drug however may make the drug start behaving as an inverse agonist by blocking (instead of binding) the receptor site of the cell thus inducing a reduced response instead of an increased response to the drug.
When oxygen is absent, anaerobic respiration occurs ('an' means without).
