Answer:
mouth, nose, eyelids, trachea (windpipe) and lungs, stomach and intestines
Explanation:
Wash your hands, don't touch your mouth, nose or eyes. To better protect your trachea and lungs, wear a mask. For the stomach and intestines, wash fresh fruits and veggies and cook food to the proper temperature to kill whatever bacteria may be on it.
I do not know what this is but go with your gut
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.
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