Answer:reduce the binding of acetylcholine to its receptors on the postsynpatic membrane
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.
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Answer:
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Explanation:
opens up air way makes lungs syronger
Capillaries in the skin are more specialized to release heat from the body while capillaries in muscles are specialized to carry and release large amounts of oxygen