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A periodical is a publication that is issued at regular intervals of more than one day. For example, weekly or monthly.
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Do vampires have periods?
No, vampires do not have periods because they are typically depicted as being dead and not having functioning bodily systems like reproductive organs. The concept of menstruation is specific to living, flesh-and-blood beings.
How did periods occur?
Periods occur as the lining of the uterus sheds in response to hormonal changes in the body. Each month, if an egg is not fertilized, the lining is no longer needed and is expelled through the vagina, resulting in menstruation. This cycle of shedding and renewing the lining of the uterus is what causes periods to occur.
What is the model in of evolution in which periods of rapid change occur is called?
Punctuated equilibrium is the model of evolution in which periods of rapid change occur interspersed with long periods of stability. This theory suggests that species evolve quickly in short bursts of rapid change followed by extended periods of little or no change.
Why do girls get periods while guys get nothing?
Girls get periods as part of their menstrual cycle which prepares the body for pregnancy. When pregnancy doesn't occur, the uterine lining sheds, resulting in menstruation. Guys do not have periods because they do not have a uterus or the reproductive organs necessary for menstruation.
Do guys have periods?
No, guys do not have periods. Menstruation is a biological process that occurs in individuals with female reproductive systems.
