I think the answer would be B.)
Answer:
Inflammation is a process that occur when tissues are injured by bacteria,heat,toxin or other causes.
Explanation:
Inflammation triggers damage to the living tissues and thus it creates defense mechanism that protects higher organism from infection and injury.The main purpose of this is to eliminate those agents that is injurious to heath and removes the damage tissues so that body can heal.
This response activates by change in blood flow,increase the permeability of blood vessels,accumulation of fluids,proteins,WBC to the site where tissue damage takes place.
If inflammation occur for few days,called as acute inflammation and when inflammation occur for longer period of time, it is called as chronic inflammation.
Inflammation causes redness by dilation of small blood vessels.
Swelling called edema by accumulation of fluid.
The factors include microorganism,physical agents,inappropriate immunological response,death of tissue.
The infectious agents are virus,bacteria etc.
Answer: D. helps in digestion
Explanation: Gastric juice in the stomach contains HCL which creates an acidic condition(pH1.5-2.0) which is optimal for the action of enzymes in the stomach. HCL stops the activity of salivary amylase & helps to kill bacteria in food. It doesn’t help in digestion cuz it is not an enzyme.
It is B it acts as a Shield to block the uv rays
