The correct answer is D.They can wash away some pathogens.
Explanation:
Tears provide the first line of defense to the body. The foreign particles and dust that enters the eyes are washed away by tears. It also prevents the eyes to become dry.
Tears also have antibacterial properties because it contains lysozyme that kills the bacteria by destroying the cell wall of bacteria so it protects the eyes from bacterial infection. Tears also transport the nutrient and oxygen to the eye surface as blood vessels are absent there.
Therefore tears can provide healing capacity by washing out some pathogens from the eyes.
Immediate treatment typically includes a splint to immobilize the ankle until the swelling goes down. A short leg cast is then applied. Casts may be changed frequently as the swelling subsides in the ankle. You will need to see your physician regularly to repeat your x-rays to make sure your ankle remains stable
It's normal for a baby to show his first tooth as early as four months, or a late child could be 15 months . A few babies are even born with a tooth! A child should be between two and a half years old or three years old before he/she has a full set of their teeth .
