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Lady bird [3.3K]
3 years ago
14

Question 7 (3 points) Which system is responsible for defending the body against harmful substances? circulatory system muscular

system endocrine system immune system​
Mathematics
2 answers:
Mamont248 [21]3 years ago
3 0

Answer:

immune system

Step-by-step explanation:

it helps fight off bacteria and viruses, which are harmful substances.

Ira Lisetskai [31]3 years ago
3 0

Answer:

the immune system? i can explain if needed

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