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.
Signs and symptoms of hemorrhoids may include: 1  Painless bleeding during bowel movements â you might notice small amounts of bright red blood on your toilet tissue or in the toilet bowl. 2  Itching or irritation in your anal region. 3  Pain or discomfort.ccasionally, straining can push an internal hemorrhoid through the anal opening. This is known as a protruding or prolapsed hemorrhoid and can cause pain and irritation. External hemorrhoids are under the skin around your anus. When irritated, external hemorrhoids can itch or bleed.