The amniotic sac is pair of membranes, which hold a developing embryo (and later fetus) until shortly before birth.
The outermost layer of the amniotic sac is the chorion. Correct answer: C
The chorion contains the amnion and is part of the placenta. The amnion on the other hand is the inner layer which contains the amniotic fluid and the fetus.
Cardiovascular
sorry I only have 1, I couldn't think of another one. I hope this helps and you find the other one.
Answer:
When blood is impacted, droplets are dispersed through the air. When these droplets strike a surface, the shape of the stain changes depending on the angle of impact, velocity, distance travelled and type of surface impacted. ... As the angle of impact changes, so does the appearance of the resulting stain.
Explanation:
