Answer:
B
External Chemoreceptors are associated with taste and smell. These senses are controlled by your olfactory and gustatory nerves.
Answer:
You should give him some form of assurance, as he has no family members to assist him during the ordeal of the surgery. You should also tell him what he needs to be wary of prior to and after the surgery has been completed.
A placebo experiment is one that does no harm or good. A lot of the time researchers will have a. placebo group and a another control group with the actual treatment. The key in placebo is that no one knows if they have it or not. C
