Well, I'm not sure about how many cells we have, but the average human body makes about 259 billion red blood cells per day. (That's why I don't know). Also, there are about 200 different types of cells with about 20 different types of organelles.
Hope this helps!
An actual fingerprint is a mark left by the friction ridges of the palmar skin of a human (or primate). This is a very important research tool for forensic science.
A DNA fingerprint is a technic that helps identify individuals based on their DNA profiles. Although most of the human DNA sequences are common in most of the humans, there are several that can vary substantially from individual to individual - called variable number tandem repeats. As they vary so much from individual to individual, by comparison of the testing DNA with the DNA of any individual, it is easy to relate whether both sequences are correspondent to each other.
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If somebody has highs and lows of depression they have bipolar, If they are always sad and feel hopeless then they have major depressive disorder.
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