Question

1).What are changes seen in girls at the time of puberty?

2).How does the embryo get nourishment inside the mother's body?

Answer 1

Answer:

changes in girls are

development of their breast , increasment of hieght , grow hair in armpit and pubic regions , reaching mental , intellectual and emotional maturity .

Answer 2

☆ Answer :

1.)

• voice become shrill.
• Less amount of face hair.
• Girls began to mensurate.

2.) Embryo gets nourishment inside the mother body with the help of placenta. Placenta helps in passing glucose and oxygen (O2) from mother to embryo,it also helps in passing waste and Carbon dioxide (Co2) from embryo to mother.

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