True because you would need to put up an ad saying "kidney donor needed" or "blood donor needed" if you didn't do that you would most likely be stuck with no donor unless a friend or family member donates
You are awesome! Thank you for spreading such a positive message! The world needs more people like you!!!
The answer is viruses change their form when the immune system knows how to kill it and thats how they trick the immune system and viruses are much smaller than bacterias
Answer:
a. after warm-up or workout
