The diagram below represents human foetus in a uterus.
(a) Name the part labeled S.
(b)Name the types of blood vessels found in the structure labeled Q.
(c)Name two features that enable the structure labeled P carry out its function.
(d)State the role of the part labeled R.
Answer:
a)
Answer
-Chorion /chorionic membrane.
b)
- Umbilical arteries/veins
c)
- Highly vascularized
-Presence of secretory cells
d)
- Cushion/shock absorber.