Question

What are the extra embryonic membranes?write there 4 functios?

Answer 1

eem is the memb.whish is found around embryo and which protect it from external shoks and helps in movement etc

Answer 2

The thin protective membranes formed outside the embryo in amniotes (reptiles, birds and mammals) which protect it from external shocks & helps in movement are known as extra embryonic membranes.

These are :-

1. Yolk sac.

2. Amnion.

3. Allantois.

4. Chorion.