70% of our immune system is aimed at to expel and kill foreign invaders
a. Gut or alimentary canal
b. Blood
c. Kidney
d. Lungs
Answers
Answered by
4
Answer:
a) gut or alimentary canal
Explanation:
mark me as brainliest....
....
..
..
.
Answered by
6
Answer:
OPTION a is the correct answer
Similar questions