It is use by Eye Care Professionals To check the eyesight of a person.
If u would have visited a eye care centre u would have noticed a chart like this--
If a person can see all the letters from a distance his eyesight is Perfect.If that person misses a letter or a line from the grid eye treatment or spectacles are given to the person for improving their eyesight
Answer:
Bone pain, numbness, fatigue, mental fogginess, etc.
Explanation:
Multiple myeloma is a type of cancer which forms in plasma cell (a type of white blood cell). Plasma cell makes antibodies which help the body in fighting against infections but in the case of Multiple myeloma cancer cells crowd out the healthy blood cells and gets accumulate in the bone marrow and rather than creating antibodies cancer cells starts producing harmful abnormal proteins that can cause complications.
It's symptoms include:
- Bone pain, especially in chest and spine.
- Numbness in legs.
- Mental fogginess.
- Infections.
- Weight loss.
- Loss of appetite.
Answer:
Physiological systems can function ONLY under carefully controlled conditions. Homeostatic regulation prevents potentially disruptive changes in the body's internal environment. The organ systems function less efficiently or even malfunction.
Explanation:
Hope this helps you
I would say a , shots to protect against the flu is the best you can get