Explain any TWO distinct functions performed by the placenta during the development of the embryo in the uter…

Question

Explain any TWO distinct functions performed by the placenta during the development of the embryo in the uterus.

Accepted Answer

## Model Answer The two functions of placenta are: 1. **Nutrition and gas exchange:** The placenta provides glucose and oxygen from the mother's blood to the developing embryo through villi, which increase the surface area for exchange. 2. **Waste removal:** Waste substances generated by the developing embryo are transferred into the mother's blood through the placenta for elimination. *Source: Chapter 7, Section 7.3.3(b) — Female Reproductive System* --- ## Explanation Examiners look for **two clearly distinct functions** — nutrition/oxygen supply is one; waste removal is the other. Mentioning the structural basis (villi, large surface area) adds accuracy and can fetch full marks. Avoid mixing up both functions in one sentence. Always link structure to function for biology answers.

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