Question

In humans, most of all infections involve which organ system?

1) Intestinal
2) Respiratory
3) CNS
4) Reproductive

Answer 1

Most infections in humans involve the respiratory system.

Step-by-step explanation:

In humans, most of all infections involve the respiratory system. Many viruses are capable of entering and causing disease in the respiratory system, which can then spread to cause systemic infections. Antimicrobial drugs are generally not effective for treating respiratory infections.