Answer:
umbilical cord and placenta
Explanation:
Atherosclerosis is the narrowing of the artery because of plaque buildup. Arteriosclerosis is the stiffening or hardening of artery walls.
I will need the picture or information to answer this.
Answer:
Embryo
Explanation:
In the first 2-8 weeks of life after fertilization, the life in the womb is referred to as an Embryo. I ope this helps :)