Answer: interruption of blood flow
Explanation: The femur is the only bone in the thigh, it serves as an attachment point for all the muscles that exert their force over the hip and knee joints. Some muscles, cross two joints, like the and muscles.
Answer:
A pterygium is a growth of the conjunctiva or mucous membrane that covers the white part of your eye over the cornea. Explanation:
The cornea is the clear front covering of the eye. This benign or noncancerous growth is often shaped like a wedge and its treated very fragile.
Since pathogens are easily passed from person to person, they need large populations to spread and survive. If they did not have a large population, the pathogens would die out.