English

Mention Three Functions of Placenta. - Biology

Advertisements
Advertisements

Question

Mention three functions of the placenta.

Short Note

Solution

  1. It connects the fetus with the uterus of mother.
  2. It helps in the exchange of nutrients, gases and waste products between mother and the foetus.
  3. It acts as an endocrine gland and secretes chorionic gonadotropin hormone which maintains the pregnancy.
shaalaa.com
  Is there an error in this question or solution?
Chapter 10: The Reproductive System - Short Questions

APPEARS IN

ICSE Biology [English] Class 10
Chapter 10 The Reproductive System
Short Questions | Q 15

RELATED QUESTIONS

Give appropriate biological or technical terms for the following :

The fluid which surrounds the foetus


Match the items in column I with those in column II and write down the matching pairs (some  may not match)  

  Column I    Column II
a Acrosome  1 An embryo which looks like human baby
b Gestation  2 Luteinizing hormone
c Menopause  3 ovum producing cells
d Foetus  4 complete stoppage of menstrual cycle
e Oogenesis 5 spermatozoa 
f Ovulation  6 Complete stoppage of menstrual  cycle.
    7 Time taken by a fertilized egg till the delivery of baby 

 


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.


Differentiate between: 

Amnion and allantois 


Study the diagram given below and then answer the questions that follow:

(i) Name the parts labeled 1 and 2. State the function of each part.
(ii) State any one function of the amniotic fluid.
(iii) What is the role of the umbilical cord in the development of the fetus?
(iv) Name the part in the diagram which is endocrine in nature.


Complete the following sentences with appropriate word:

The umbilical cord connects _______


Mention any two functions of the human foetal placenta.


Assertion (A): The foetus respires but does not breathe.

Reason (R): The maternal blood supplies oxygen to the foetus through placenta.


Name the following:

Two hormones secreted from placenta.


Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.

Morula.

  1. What is this stage?
  2. Name the stage which comes next to it?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×