Antibiotics are medicines that help stop infections caused by bacteria. They do this by killing the bacteria or by keeping them from copying themselves or reproducing.
Antibiotics are used to treat or prevent some types of bacterial infections. They are not effective against viral infections, such as the common cold or flu. Antibiotics should only be prescribed to treat health problems: that are not serious but are unlikely to clear up without antibiotics – such as acne.
The correct answer is that Earthworms hold a closed category of circulatory system. <span>The earthworms circulates blood </span>solely through<span> their blood vessels. There are </span>three major<span> vessels that </span>deliver<span> the blood to the organs of </span>the <span>earthworm, </span>those<span> vessels are known to be the aortic arches, dorsal blood vessels, and ventral blood vessels.</span>
Okay a dichotomous key is where you basically create a key to where others find out what kind of animal is the one they're trying to find out. I would suggest using Google to look up examples. It would probably benefit you the most.<span />
The Human Immunodeficiency Virus (HIV) has been discovered to be the cause of AIDS.
AIDS or Acquired Immunodeficiency Syndrome is caused by the Human Immunodeficiency Virus (HIV). HIV is a retrovirus which contains RNA as the genetic material.
HIV infection can be transmitted through:-
- sexual contact with an infected individual,
- transfusion of contaminated blood samples,
- sharing infected needles e.g. in the case of drug addicts who take the drug intravenously,
- infected pregnant woman to the fetus through placenta.
AIDS adversely affects the immune system of an infected individual. ELISA or enzyme linked immunosorbent assay test is used largely for diagnosing AIDS.
To learn more about AIDS here
brainly.com/question/14295182
#SPJ4
It adds bulk to our stools.
It helps food to move through your digestive tract more quickly for healthy elimination.
