Spanning Tree Protocol (STP) Introduction. Cisco Networking All-in-One For Dummies. Spanning Tree Protocol (STP) was developed before switches were created in order to deal with an issue that occurred with networks that were implementing network bridges. STP serves two purposes: First, it prevents problems caused by loops on a network.
Photos: Pond5. Referred to as vitamin B complex, the eight B vitamins â B1, B2, B3, B5, B6, B7, B9, B12 â play an important role in keeping our bodies running like well-oiled machines. These essential nutrients help convert our food into fuel, allowing us to stay energized throughout the day.his B vitamin is a total team player. Cobalamin works with vitamin B9 to produce red blood cells and help iron do its job: create the oxygen carrying protein, hemogloblin. Since vitamin B12 is only found in animal products, studies show higher rates of non-meat eaters with a deficiency.
Vitamin B-12 and other B vitamins play a role in producing brain chemicals that affect mood and other brain functions. Low levels of B-12 and other B vitamins such as vitamin B-6 and folate may be linked to depression.Low levels of a vitamin can result from eating a poor diet or not being able to absorb the vitamins you consume.ow levels of B-12 and other B vitamins such as vitamin B-6 and folate may be linked to depression. Low levels of a vitamin can result from eating a poor diet or not being able to absorb the vitamins you consume.