Answer:
A) central nervous system
B) Peripheral nervous system
the answer is the third one c
Acute diseases are sudden, severe, and short term only. They quickly appear and worsen without warning and they disappear. Examples of this are flu or colds.
Chronic diseases, on the other hand, are long-developing diseases. The symptoms have been present for long time and it worsens as time progresses. Examples of this are Osteoporosis and heart disease.
Extinction is the answer.
Answer:
they attach to the bones.