I think it’s b because it helps the blood cells enable more oxygen and takes it to the muscles
Hope that help
Managers can use some steps in order to make sure that the organization's goals will be achieve.First is to define what really the goals are to have a basis for working. Another is make sure everyone knows about the goals as it would take time as well as effort to be able to reach the goals.
HIV is Human Immunodeficiency Virus which is a virus that may cause infection and it actually causes AIDS
AIDS or Acquired Immune Deficiency Syndrome suppresses the immune system and has no vaccine or cure. AIDS is the syndrome acquired due to HIV which can cause serious damage o your immune system that can bring up complications if you ever need to get surgery or generally have a weak immune system already<span />
Answer:
An Experiment
Explanation:
To understand and explain the natural events, the scientific method is followed which refers to the systematic approach to understand the work. A scientific experiment is one of the step of the scientific method which is used to test the predicted statement which could explain the event.
The experiment includes the observations related to the predicted hypothesis and to answer the scientific question. The observation can produce facts which could prove or disprove the hypothesis.
Thus, an experiment is the correct answer.