Answer:
Antigens
Explanation:
Antigens can come from the environment or from inside the body. Antigens are toxic matter that prompts a response in the immune system. This response normally results in the production of antibodies, in order to combat the toxin introduced in the body.
Answer: Can you actually get $2,500 on brainly
Explanation:
Answer:
False
Explanation:
Meta-analysis does not have to be necessarily included in a systematic review.
The main characteristic of a systematic review is that it analyzes a question using explicit and systematic methods that will help to select and analyze data from studies. The use of statistical methods, which are also known, as meta-analysis is optional, but it can help during the analysis.
