Give a one-word answer:
The structure through which the embryo derives nutrients and oxygen from the mother.

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Solution

The placenta is the structure through which the embryo derives nutrients and oxygen from the mother.
Placenta provides the space for gaseous exchange.
Furthermore, it eliminates wastes from the blood of the fetus.

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Q. Which one of the following best describes the function of the umbilical cord ? It :
(a) feeds the embryo with digested substances.
(b) conveys nutrients and wastes to and from the embryo respectively
(c) removes waste matter from the embryo to the mother's blood.
(d) supplies oxygenated blood from the mother to the embryo.

When a fertilised egg E formed in the oviduct of a human female divide repeatedly to form an embryo, the embryo gets implanted in the thick and soft lining of the uterus. After this, a disc-like special tissue T develops between the uterus wall and embryo through which all the requirements of the developing embryo (and foetus) are met from the mother's body. The embryo is connected to the tissue T through a string like structure S.
(a) What is the other name of fertilised egg cell E?
(b) What is the name of tissue T?
(c) Name the string-like structure S.
(d) Name two substances which pass from mother's blood to embryo through tissue T and, one type of substance which passes from embryo to mother's blood.
(e) What happens to S when the baby is born? Why?

Q. Observe the given figure and answer the question:

Which of the following labelled structures helps in the exchange of nutrients, oxygen and waste products between the embryo and the mother?

Q. Placenta is the special tissue through which nutrients are transferred from mother to the growing embryo.

Give one word for the following:

The structure by which a human embryo is attached to the uterus.

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Give a one-word answer:The structure through which the embryo derives nutrients and oxygen from the mother.

The placenta is the structure through which the embryo derives nutrients and oxygen from the mother.Placenta provides the space for gaseous exchange.Furthermore, it eliminates wastes from the blood of the fetus.

Give a one-word answer:
The structure through which the embryo derives nutrients and oxygen from the mother.

The placenta is the structure through which the embryo derives nutrients and oxygen from the mother.
Placenta provides the space for gaseous exchange.
Furthermore, it eliminates wastes from the blood of the fetus.