What does a body use to fight off infection?

The immune system is made up of special organs, cells and chemicals that fight infection (microbes). The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow.

Explanation:

Your immune entity steps in, enjoy a bouncer who means business. It releases white blood cells and different chemical substances that ruin these threats. Or it causes a reaction, befondof a sneeze, as well out a virus in your nose. It is an elite squad of brokers that zap invaders -- enjoy bacteria, viruses, and fungi -- ASAP.

Explanation:

In general, your physique fights illness by protecting issues out of your physique which are foreign. Your most important protection in opposition to pathogenic germs are bodily boundaries bekeenon your skin. You furthermore may produce pathogen-destroying chemicals, bekeenon lysozyme, discovered on elements of your physique with out skin, together with your tears and mucus membranes.

n2(g) + 3h2-> 2nh3(g)   this is the balanced equation

note the mole ratio between n2, h2 and nh3.   it is 1 : 3 : 2   this will be important.

moles n2 present = 28.0 g n2 x 1 mole n2/28 g = 1 mole n2 present

moles h2 present = 25.0 g h2 x 1 mole h2/2 g = 12.5 moles h2 present

based on mole ratio, n2 is limiting in this situation because there is more than enough h2 but not enough n2.

moles nh3 that can be produced = 1 mole n2 x 2 moles nh3/mole n2 = 2 moles nh3 can be produced

grams of nh3 that can be produced = 2 moles nh3 x 17 g/mole = 34 grams of nh3 can be produced

note:   the key to this problem is recognizing that n2 is limiting, and therefore limits how much nh3 can be produced.