Answer:
I would say that the answer would be A
Answer:
c. inner cell mass
Explanation:
The inner cell mass of the blastocyst forms the embryo while the outer layer, the trophoblast forms the placenta.
Answer:
True
Explanation:
A needle is usually inserted into a vein in your wrist,elbow, or the back of your hand.
Answer:
The ventricles are the lower chambers of the heart. There are various grooves in the epicardium; these are the sulcuses. The anterior interventricular sulcus is located on the ventral side of the heart and separates the right and left ventricles.
