T-cells
lymphocytes
b-cells
1. by recycling them
2. by using a home pickup service
3. by locating a drop off site
The answer is simple currently I am in 9th and scored more than 90 percent by following methods:
1) sleep early and rise early ( it really helps)
2) Eat healthy food ( It keeps out brain active)
3) DO NOT PROCRASTINATE
4)Study on time and take break after every 1 hour
5) Do exercise it improves blood circulation (Helps brain)
6)Dont eat sweet and oily food
