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 develop when the channels that carry blood away from the anus and rectum become dilated (widened). They are classified according to their location. External hemorrhoids develop in the anus, internal hemorrhoids in the rectum. Many people have both.