1 educational technology as technological tools and media that assist in the communication of knowledge, and its development and exchange.  educational technology for learning management systems (LMS), such as tools for student and curriculum management, and education management information systems (EMIS)
what is the duration of hemorrhoids Natural recovery time Depending on the type: Some hemorrhoids can disappear within a few days while some more severe ones may last for weeks.
There are 2 types of hemorrhoids: those that are just inside the anus or lower rectum (internal) and those that are outside the opening to the anus (external). You can have both at the same time. Internal hemorrhoids usually don't cause pain or discomfort, while external hemorrhoids often do.However, internal hemorrhoids can protrude outside the anus (prolapsed hemorrhoid) and become painful. In some cases, a blot clot (thrombosis) may form in the vein, making the hemorrhoid more painful.here are 2 types of hemorrhoids: those that are just inside the anus or lower rectum (internal) and those that are outside the opening to the anus (external). You can have both at the same time. Internal hemorrhoids usually don't cause pain or discomfort, while external hemorrhoids often do.