Insulin is a hormone made by the pancreas that helps your cells bring in sugar. So people who have diabetes have high blood sugar because the sugars in the blood aren't in the cells. So basically they starve to death because they're eating eating eating but the energy stays in the blood but not in the cells.
It also regulates the body stores sugar and fat.
The answer to this question relates to the evolution of prokaryotic cells. The first simple prokaryotic cells likely evolved mitochondria from a cell that engulfed an aerobic prokaryotic cell, resulting in<span> an endosymbiotic relationship, and gradual development into a </span>mitochondrion. Something similar happened in regards to chloroplasts, except the original cell engulfed was probably a simple photosynthesising bacteria such as <span>cyanobacteria.</span>
The size of the lung will be increased as someone growing their height. Higher height will result in a bigger lung and then higher lung capacity. Height will be increased much in puberty period because of the growth spurt but it won't go much after that.
Since there are no possibilities for achieving higher height in adolescent, the lung capacity wouldn't become higher too.
The answer is B, decomposers
