I think it’s the first one
Answer:
T cell is known to be a type of lymphocyte which develops in the thymus gland and plays a central role in the immune response.
The T cells can also be distinguished from other lymphocytes by the presence of a T-cell receptor on the cell surface.
Answer: The country that has a single payer health care system is Canada.
Explanation:
Canada has a funded health care system through their government. Almost all of the healthcare is free with a few exceptions. This type of healthcare has been used in Canada since 1984. The person can use a private practice instead of a government only health care provider. Each person has the same care no matter their wealth or poverty.
This type of system will not pay for cosmetic surgery expect in rare cases when a disease or accident is the reason for the surgery.
