Answer:The immune system is a complex network of cells and proteins that defends the body against infection.
The immune system keeps a record of every germ (microbe) it has ever defeated so it can recognise and destroy the microbe quickly if it enters the body again.
Abnormalities of the immune system can lead to allergic diseases, immunodeficiencies and autoimmune disorders.
Explanation:
Skeletal and Muscular Systems
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ecosystems through temperature rises,
water shortages,
increased fire threats,
drought,
weed and pest invasions,
intense storm damage
more to add :-
Damage to your home. ...
More expensive home insurance. ...
Outdoor work could become unbearable. ...
Higher electric bills and more blackouts.
etc....
