The circulatory system, if I am not mistaken!
Hope this helped!
Synergistic reactions, also called synergistic effects, are a type of chemical reaction where the combination of chemicals produces effects stronger than the chemicals would ever produce alone.<span> Synergistic reactions essentially magnify the power and potency of chemicals. These reactions may be dangerous, particularly when they involve potentially toxic substances such as alcohol.</span>
Answer:
theres no picture. so cant help u.
Yes, there are non-invasive procedures like Varicose Vein Procedure.