These systems are important in fighting off infection.

answer; estimate the number between the highest and lowest number; ///

answer; (b) medicare fee schedule;

a problem could be dealing witj emotional stress..all of these factors contribute to emotional stress.

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.