The correct answer is D. Bird flu.
Polio and smallpox are very rare today as they were eradicated hundreds of years ago and TB has been around for maybe thousands of years. Bird f!u was discovered in 1957.
Answer: Testosterone
Explanation: Testosterone is a hormone produced in the human body. In women the ovaries and adrenal gland produce testosterone which is released in small quantities into the blood stream. In women normal level of testosterone ranges from 15- 70 nanogram per deciliter. Low levels of testosterone in women can lead to lower sex drive, obesity, depression, lack of muscle tissue, weak bones and fertility issues.
Answer:
i'm pretty sure it's the endoplasmic reticulum
Explanation:
<span>The type of plant cell that provides support without interfering with growth and is familiar as the "strings in celery" is a </span>collenchyma cell
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