As people progress into old age, their disease-fighting immune systems become reduced.
<h3>The effects of aging on immune system</h3>
Immune system is the major system of the body that protects the body against invading disease causing microorganisms. It is made up of,
- proteins (antibodies) and
As an individual advances in age, the efficiency of the immune system, which is it's ability to fight diseases, would reduce.
This is because the production of white blood cells, antibodies and chemicals are equally reduced.
Therefore, as people progress into old age, their disease-fighting immune systems become reduced.
Learn more about immune system here:
brainly.com/question/15975169
Answer: Excessive loud noice.
Explanation:
Environmental stressors include weather, noise, crowdedness, and light exposure. So, your answer would be excessive loud noice.
Answer: They are highly communicable (spread from person to person)
Explanation: Not all STDs are curable most can get meds that make the symptoms not as but they will not cure the person. They do not always have symptoms some do not know they have it till testing has been done. They cannot spread through casual contact, sexual intercourse, oral, or kissing needs to happen. they are highly communicable because they can be passed from person to person through their methods of being passed.
Regulations on legal drugs exist to keep them away from teens and children. Hope this helps and good luck on the rest of your homework!
