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Human Development

cards about regents biology - human development

QuestionAnswer
What organ exchanges oxygen, carbon dioxide, nutrients and wastes between mother and fetus? placenta
How do nutrients and gases pass across the placenta? nutrients, oxygen and wastes diffuse into the blood of fetus and mother in the placenta
What gases are exchanged between the mother and the fetus? oxygen and carbon dioxide
What harmful factors affect the development of a fetus? smoking, taking drugs, having measles, drinking alchol (wine, beer..)
What are the effects of alcohol on the fetus? Fetal Alcohol Syndrome that causes mental retardation, brain damage
What are the effects of smoking on the fetus? low birth weight - baby is small because less oxygen gets to fetus
What are the effects of drugs on the fetus? the fetus is addicted to the drugs, birth defects - only 4 fingers, no foot...
What are the effects of diseases (measles, mumps) on the fetus? the fetus gets the disease
What is the tube that transports materials from the placenta to the fetus? umbilical cord
What is the function of the umbilical cord? transports oxygen and nutrients to the fetus and takes wastes (carbon dioxide) back to mother's blood stream.
In what structure does the fetus grow? uterus
Do the mother and the fetus' blood mix? NO
What materials does the mother exchange with her fetus through the placenta? nutrients, oxygen, wastes (like carbon dioxide)
Created by: jenzabenz
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