Answer:
Mortality rates drop and life expectancy rises as access to medication, food, and clean water increase.
Explanation:
Similar to skeletal muscle tissue, cardiac muscle does not regenerate to a great extent. Dead cardiac muscle tissue is replaced by scar tissue, which cannot contract. As scar tissue accumulates, the heart loses its ability to pump because of the loss of contractile power.
During pregnancy, the form of estrogen that predominates is produced by the placenta, and may be useful in prenatal screening is Human chorionic gonadotropin hormone (hCG).
Human chorionic gonadotropin hormone (hCG) hormone is only produced during pregnancy. It is produced predominantly in the placenta. Levels of the hormone hCG, found in the mother's blood and urine, rise greatly during the first month of pregnancy.
hCG can detect the pregnancy ten days after conception. It is the earliest method to check the pregnancy. It also helps to detect the correct age of the fetus and the problems related to the pregnancy like ectopic pregnancies, miscarriages etc.
Learn more about the Human chorionic gonadotropin hormone on:
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Answer:
In the early 1950s, two prominent medical researchers each found a way to protect the world from poliomyelitis, the paralysis-causing disease commonly known as polio. The vaccines created by Dr. Jonas Salk and Dr. Albert Sabin resulted in the near-global eradication of polio
Explanation:
Answer: Iris Diaphragm is a device that controls the amount of light that exits the condenser of a microscope. There by controlling the illumination of the specimen and, more relevantly, the degree of contrast between specimen and background.
