Answer:
T-cells and B-cells together make antibodies. It may take a couple days for these to start to produce after the virus is already in your system. These antibodies stick to antigens to alert the rest of the body where it is. The body then makes toxic substances to fight the virus.
Answer:
am sorry but i don't the language but if you can translate it i think i might be able to help.
Other benefits you receive from physical activity is that it strengthens your mind, slows aging and helps you have more of a positive feeling.
Answer:
From the list of individual sports in which an individual can compete, like swimming, diving, running, ice skating, wrestling, gymnastics, golf, tennis, skateboarding, in-line skating, biking, martial arts, and bowling, I think that swimming would be the most strenuous to play because it requires strength in specific muscle groups, endurance, and lots of power.
Explanation: just copy and paste :)
