HIV crossed from chimps to humans in the 1920's in what is now the Democratic Republic of Congo. This was probably as a result of chimps carrying the Simian Immunodeficiency Virus (SIV), a virus closely related to HIV, being hunted and eaten by people living in the area.
Answer:
Multiple Sclerosis
Explanation:
Multiple Sclerosis is a potentially disabling disease of the brain and spinal cord (central nervous system).
Answer:
Tachycadia
Explanation:
Angina Pectoris is a medical condition that affect the cardio-respiratory system with clinical symptoms of chest tightness, difficulty in breathing, pain along the course of the costo-diaphraghmatic root and also Tachycadia which is increased breathing or difficulty in breathing.