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Questions and Answers
What is the main function of the placenta?
What is the main function of the placenta?
- Regulating the body temperature of the fetus
- Providing structural support to the umbilical cord
- Producing red blood cells for the fetus
- Facilitating nutrient, gas, and waste exchange between maternal and fetal circulations (correct)
In which organ does the placenta connect to the fetus?
In which organ does the placenta connect to the fetus?
- Umbilical cord (correct)
- Fetal liver
- Fetal lung
- Maternal uterus
What comes away with the placenta when it is expelled from the uterus following birth in humans?
What comes away with the placenta when it is expelled from the uterus following birth in humans?
- Fetal bones
- Fetal hair
- Maternal decidual (endometrial) tissue (correct)
- Maternal liver tissue
When did mammalian placentas probably first evolve?
When did mammalian placentas probably first evolve?
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What is the protein syncytin found in the outer barrier of the placenta believed to have originated from?
What is the protein syncytin found in the outer barrier of the placenta believed to have originated from?
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