When a fetus is in the uterus, what carries oxygen away from the placenta?
Correct answer: D. The umbilical cord
- A. The amniotic fluid
- B. The amniotic sac
- C. The lining of the uterus
- D. The umbilical cord
Explanation
The umbilical cord contains umbilical vessels, arteries, and veins. The umbilical veins take oxygen away from the placenta to the fetus.
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About Growth and Development
Embryonic development covers fertilization, cleavage, formation of the blastula and gastrula, germ layers, organ formation and differentiation. Regeneration describes the replacement of lost tissues or body parts, whereas ageing involves gradual cellular and physiological changes linked to reduced repair, altered metabolism and declining organ function.
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