Biology · Developmental Biology
What is the primary function of the yolk sac in amniotic embryos?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It enables nutrient uptake and the early development of the circulatory system.✓
- 2It enables the embryo to float in a fluid environment that protects it from desiccation.
- 3It stores nitrogenous waste products.
- 4It contains blood vessels that exchange gases with the outside environment.
Correct answer
It enables nutrient uptake and the early development of the circulatory system.
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