a) R - cervix
S - chorion
b)- Highly vascularized;
- Has villi which offer a large surface area;
- Has secretory cells / grandular cells for secreting hormones;
c) i) Amniotic fluid;
ii) Cushions foetus against shock / provides suitable medium for embryo to grow / allows movement of foetus / reduces friction / lubricate ;
sharon kalunda answered the question on May 23, 2019 at 13:14
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