Answer:
Development of the human heart during the first eight weeks (top) and the formation of the heart chambers (bottom). In this figure, the blue and red colors represent blood inflow and outflow (not venous and arterial blood).
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Answer:
True
Explanation:
Sexually transmitted infection (STI) incidence is on the rise in the United States. The increase is especially pronounced in adolescents (15–24 years of age). Despite making up only a quarter of the population, adolescents account for approximately half of new STIs in the United States every year.
Answer:
<h2>A man carrying a <u>Bundle</u> of clothes on his head.</h2>
Answer: En particular, el legado de los graves conflictos armados en El Salvador, Guatemala y Nicaragua a fines del siglo XX ha contribuido al desarrollo del crimen organizado y la violencia de las pandillas en la región y consistentemente algunas de las tasas de homicidio más altas del mundo.
Explanation: