Advertisements
Advertisements
प्रश्न
Name the following:
Two hormones secreted from placenta.
Name 2 hormones secreted by placenta.
Advertisements
उत्तर
Estrogens and progesterone.
संबंधित प्रश्न
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite the wrong statement by correcting only one word either at the beginning or at the end of the sentence.
Uterus is also known as birth canal.
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.
Differentiate between:
Follicle and corpus luteum
Differentiate between:
Impotency and sterility
Differentiate between:
Amnion and allantois
The diagram given alongside is that of a developing human foetus in the womb. Study the same and answer the questions that follows:
Name the parts ‘1’ to ‘5’ indicated by guidelines
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The protective sac which develops around the developing embryo is called the Pericardium.
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
Name the Following
A hollow pear-shaped muscular organ that holds, nourishes and protects the fetus.
Give Technical Term:
The period of intrauterine development of the embryo.
Complete the following sentences with appropriate word:
The placenta is ________permeable
Complete the following sentences with appropriate word:
The expulsion of the fetus from the body to the mother in a human female is called __________.
The haemoglobin of a human foetus ______.
Mention any two functions of the human foetal placenta.
Amniotic fluid serves to provide oxygen to the foetus.
Write the specific location of the following:
Placenta
Which characteristic describes the direction of blood flow through the umbilical arteries?
Which classification term describes the placenta as disc-shaped at maturity?
