The main function of the lymph nodes is to a. filter bacteria and viruses from the arterial blood circulation. b. produce and secrete chemicals that recognize disease-causing pathogens. c. guard the body from microorganisms in food and air. d. store immune cells until they're needed.

for me i have felt invisible when i was clearly struggling,or,i made a great achievement ,and,nobody took to notice me either because they just didn't see it,or,people just turned their back on me.i can see a person being invisible by choice,or,without choice like i did.the people who are invisible by choice don't try to talk to people,don't try to make friends,and,keep to themselves.i haven't been one of those people so i couldn't give you a reason.

hope this and can i get bainliest my dude : d

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.