Mention any two functions of the human placenta.

1.	Mention any two functions of the human placenta.
Answer» (i) Placenta helps in exchange of gases CO₂ and O₂ between foetus and mother’s blood. (ii) It provides nutrition to the developing foetus from mother’s blood. (iii) It helps in excretion of urea, from foetus blood into mother’s blood. (iv) It acts as endocrine gland producing hormones, to maintain pregnancy and helps in parturition and prepare mammary glands for lactation.

Answer»

(i) Placenta helps in exchange of gases CO₂ and O₂ between foetus and mother’s blood.

(ii) It provides nutrition to the developing foetus from mother’s blood.

(iii) It helps in excretion of urea, from foetus blood into mother’s blood.

(iv) It acts as endocrine gland producing hormones, to maintain pregnancy and helps in parturition and prepare mammary glands for lactation.

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