Answer is B
Please mark this as the brainliest!
Answer:
B.
Explanation:
The placenta is a flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord.
Answer: Multiple socioeconomic factors contribute to health disparities, including income, education, residential segregation, stress, social and physical environment, employment, and many others. Disparities according to income and education have increased for smoking, with low-income persons smoking at higher rates.
Explanation:
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Benefits
Increased muscle mass: Muscle mass naturally decreases with age, but strength training can help reverse the trend.
Stronger bones: Strength training increases bone density and reduces the risk of fractures.
Joint flexibility: Strength training helps joints stay flexible and can reduce the symptoms of arthritis.