Q.
Choose the correct one
a
A- Chorionic villi
$\to$
forms placenta
b
B-Yolk sac
$\to$
Prevents desiccation of embryo
c
C- umbilical cord
$\to$
Haemopoiesis
d
D- Blastocyst
$\to$
Forms the embryo
| a | A- Chorionic villi | $\to$ | forms placenta |
| b | B-Yolk sac | $\to$ | Prevents desiccation of embryo |
| c | C- umbilical cord | $\to$ | Haemopoiesis |
| d | D- Blastocyst | $\to$ | Forms the embryo |
Human Reproduction
Solution: