Answer:
Helper T-cells stimulate B-cells to make antibodies and help killer cells develop. Killer T-cells directly kill cells that have already been infected by a foreign invader. T-cells also use cytokines as messenger molecules to send chemical instructions to the rest of the immune system to ramp up its response.
Active listening is the most respecting way to listen.
1) Shows eye contact
2) pays attention
3) not speaking over the person
4) Not multitasking
5) and of course listening
The animal kingdom has been divided into two major groups: Invertebrates and Vertebrates. Invertebrates are those that do not possess a vertebral column or backbone while Vertebrates are those where vertebral column or backbone is present.
Folic acid is good for pregnancy. I think all woman should take it during pregnancy. It helps prevent birth defects.
Hope this helps.
(I really need a crown to go on the next rank.)
Ignore the comment above.