1 reason: Certain white blood cells called lymphocytes are responsible for producing the antibodies which destroy specific pathogens by detecting antigens (foreign chemicals released by the pathogen).
2 reason: Pathogens can produce harmful chemicals called toxins, and white blood cells produce antitoxins to destroy these.
3 reason: White blood cells are key in protecting against pathogens. They ingest the harmful microorganisms (they surround them and take them up - a bit like eating them, but you must use the word ingest).
I found these on internet and a little bit of my knowledge but I hope this helps :)
<span>The crew's mess, also known as the mess deck, can be used for c</span>onducting advancement exams and eating meals.
Crew mess <span>is the dining </span>space wherever liner<span> crew members have their breakfast, lunch, and dinner. The meals for crew members </span>are ready within the<span> crew galley </span>thus<span> it’s not </span>constant<span> food </span>because the<span> meal for the guests is different.</span>
Muscle tissue is responsible for about 22% of the calories burned at rest, fat accounts for only 4%.
The half-life of Virtualium is 12