I would say A Sphere of cells surrounding a hallow center.
Answer:
George Brooks has found that training actually teaches muscle cells how to use lactic acid as a fuel to get more bang for the buck.
B.) Because lets say there's 4 coworkers carpooling that's 1/4 of the pollution of all the coworkers driving separately.
B. Subcutaneous
this means that the needle goes into the fat layer of the skin.
it does NOT go into the muscle.
hope this helps.
Answer:
Bacteria toxin
Our immune system increases the temperature of our body in response to antigen or toxin associated with infectious agents such as bacteria or virus.