There are different ways to treat the problem. You can apply heat to infected area, elevate your leg, use an over the counter anti-infammation drug, and possibly wear a compression stocking.
Helicase "unzips" the two strands of DNA. During DNA replication.
Answer: B. A community interaction
You are right, it is B because, endocrine glands, as part of the endocrine system, they regulate and maintain a constant equilibrium in our bodies, known as homeostasis.