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.
Hemorrhoids are also called piles. Of the two forms of hemorrhoids, external hemorrhoids are the most common and the most troublesome. Hemorrhoids cause pain, severe itching, and difficulty sitting. The good news is that they are treatable.