The cells of the epidermis (skin) absorb water and swell up.
Swimming, cycling, and pretty much anything that keeps your heart rate up for an extended period of time.
The extended period at the wicket by two batsmen in cricket is called a stand.
no you can not go swimming when your period is heavy. When it is at they very end and its not that heavy your period will not stop in the water, but will be held back. Also, if you go swimming and you have your period when you get out of the pool it might start to drip down your leg.
tampons if you are swimming etc but if in the bath, nothing :)
the study of how artifacts and objects decay over an extended period of time
You can always swim even on your period!
Swimming during your period is fine as long as you wear a tampon which should be changed before and after you go swimming
No
Yes, black widows usually dwell in one place for an extended period of time.
It is fine to swim during your menstrual cycle as well as before or after it.
Period
Yes, they can sit but not for an extended period of time.