All of the chemical reactions that take place inside of a cell are collectively called the cell's metabolism.
Schizophrenia is a mental disorder defined as chronic and severely debilitating as the patients usually are "lost in touch with reality."
Schizophrenia has both positive symptoms (added) and negative symptoms (lack of). Positive symptoms include hallucinations (<em>adding </em>unreal imagery) and uncontrollable thoughts. Negative symptoms include apathy <em />(<em>lack of </em>concern or enthusiasm), alogia (<em>lack of </em>speech), and blunted affect (<em>lack of </em>facial expression). Both positive and negative symptoms affect the intellectual functioning of an individual with schizophrenia.
Answer:
In heart valve disease, one or more of the valves in your heart doesn't work properly. Your heart has four valves that keep blood flowing in the correct direction. In some cases, one or more of the valves don't open or close properly. This can cause the blood flow through your heart to your body to be disrupted.
Genetic mutations increase variety by adding uniqueness to the world. Genetic mutations can come in all shapes and sizes based on the chromosomes in cells. Perhaps someone was born with one blue eye and one green eye, or perhaps they have hair a certain, unusual color. Genetic mutations add variety to the world by making sure everyone isn't the same!!