Answer:
Immunoglobulin G (IgG)
Explanation:
There are five classes of human antibodies:
IgG is the most abundant and the only one capable of crossing the placenta. IgG is present in all body fluids and protects against infections.
Answer:
Increase the reaction rate
Explanation:
Enzymes are organic substances that are produced to catalyse and speed up chemical reactions in chemical reactions. Enzymes take part in product formation. They lower the activation energy by acting as catalysts during a chemical reaction thus products are formed faster.
<span>Actually it is called phlebitis medically which means that the vein is inflammated, Hence this causes the one or more blood clots to form thrombophlebitis, which commonly occurs in leg veins, and also sometimes in arm, which causes the severe pain and irritations, which may lead to blocking of flow of blood in veins.</span>