1. A natural killer cell identifies unusual cells, combines with them, and discharges perforin and molecules of granzyme that stimulates apoptosis.
2. A basophil comprises huge concentrations of histamine in granules, gets stain with basic dye methylene blue, and helps in inflammation and allergic reactions.
3. A macrophage refers to a huge agranular phagocyte, which is found within the tissues like lungs and brain.
4. An eosinophil comprises histamine and major basic protein in granules gets stain with acidic dye eosin and helps in reactions against the helminths and protozoa.
All of those systems are vital for a person to survive. If an organ stopped functioning it could cause you to die unless it is your liver and a few others.
Well, part of the hint is actually true. Decomposers break down dead organisms and other previously living things into nutrients. These nutrients then feed the soil, allowing for new plant life to grow aka producers. Consumers can then eat the producers.
