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प्रश्न
Give Reasons
The full-grown human embryo respires but does not breathe.
उत्तर
The full-grown human embryo respires because the dissolved oxygen in the mother’s blood diffuses into the embryo and is used in the oxidation of glucose in the cells with the liberation of energy. However there are no breathing movements as the lungs lie collapsed in the embryo and the only function after the fetus is expelled from the mother’s body. Therefore no breathing movements in the embryo as it receives oxygen by diffusion of gases.
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संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The fluid which surrounds the foetus
Name the following:
The fluid surrounding the developing embryo
Name the following:
The body part in which the embryo develops.
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite of the wrong statements by correcting only one word either at the beginning or at the end of the sentences.
Gestation period in humans is about 380 days.
Differentiate between:
Amnion and allantois
Describe briefly the ways how a mammalian embryo is respires
Give Technical Term:
The part in the uterus which is concerned with the supply of nutrition from the mother to the fetus.
Complete the following sentences with appropriate word:
The embryo inside the uterus is protected from jerks or mechanical shocks by ________
Which of the following hormones is produced by ovary?
Name the following:
Two hormones secreted from placenta.
