123k views
2 votes
7. Poor hygiene has the most direct effect on which
body systen

2 Answers

2 votes
Immune system.......
User Therealjeffg
by
3.8k points
2 votes

Answer:

Immune System

Step-by-step explanation:

In general, poor hygiene can cause disease, which is most harmful to the immune system.

User Tiffini
by
3.6k points