The best answer would be B because, for instance, if someone is bothering you and you tell the teacher, you say how you feel if you don't know, it just wouldn't make sense. You get what I am trying to say right?
I hope this helps:)
D. Removing bones and pits from food
Hope this helps! Good luck. :)
Answer: Spleen
List of the organs in the immune system:
Lymphoid
Thymus
Lymph nodes
Slpeen
Lymphatic
I think it's plastic bag. I'm taking the test right now.