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प्रश्न
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.
पर्याय
True
False
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उत्तर
False
Gestation period in humans is about 280 days.
संबंधित प्रश्न
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Placenta
- What are the two sources that form placenta?
- Name any two main substances which pass from foetus to mother through placenta.
- Name any two hormones it produces.
Name and describe very briefly, the stages in the development of human embryo.
Mention three functions of the placenta.
Differentiate
Uterus and Urethra.
Name the Following
How the embryo inside the uterus is protected from jerks or mechanical shocks.
Complete the following sentences with appropriate word:
The placenta is ________permeable
Which of the following hormones is produced by ovary?
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
Heart and blood vessels have been formed by the end of five weeks of pregnancy.
Which of the following cannot pass readily through the placenta to the foetus?
