Because standing still for so long cramps up all your muscles and blood does not flow properly and this starves your brain of much needed oxygen so as a defence it shuts down to protect it from damage. It can also be because you are dehydrated or more commonly among soldiers, hungover.
This comes from soldiers in war zones who began to think that they were completely safe as long as they stayed in their foxhole. The soldiers knew that many of them would die, just not themselves.
Gram's stain remains one of the most valuable methods we have for identifying isolates accurately and rapidly. Despite our long-standing familiarity with this method, it still warrants careful attention every step of the way--from preparation and QC of reagents to staining and interpretation. I think one of the main reasons would to avoid contamination.
Chronic parenchymal volume loss is long-standing decrease in the amount of space taken up by the bulk of the organ.
If the blockage is impinging on the vagus nerve, yes a blockage in the carotid artery can cause nausea. However, most common signs would include feeling faint, difficulty thinking (particularly for complicated or long-term tasks) and lack of energy.
Chronic pancreatitis is a long-standing inflammation of the pancreas that alters its normal structure and functions. It can present as episodes of acute inflammation in a previously injured pancreas, or as chronic damage with persistent pain or malabsorption.
Teenage girls faint during rock shows for many reasons. One such reason is because of cerebral vasoconstriction which is caused by standing for a long period of time.
It has nothin to do with standing still... it has everything to do with standing still with your knees locked. That causes over time a reduction in blood pressure leading up a faint. [improvement] The low blood pressure causes the human body to gain the sensation of weakness, causing you to lose consciousness.
When you stand for a long time, it may cause your knees to buckle resulting in a vaso-vagal reaction. When this happens, there is a decrease in blood pressure which can make a person collapse or faint.
Veins in the brain do not contain one-way valves and the blood is pulled down by the force of gravity. Lack of blood to the brain will result in fainting. To combat this, be sure to contract your calf muscles to pump blood back up into the abdominal cavity and contract your neck muscles regularly to encourage blood to flow upwards.
yes depending on how long
No, the word "faint" is not considered a long vowel word with a CVVC pattern. The vowel sound "ai" is a two-letter vowel team, not a long vowel sound like in words such as "blanket" or "rainbow."
Mridu noticed the sound of footsteps approaching the door, followed by a soft knock. Intrigued, she opened the door to find her long lost friend standing there, creating a moment of surprise and joy that caught her attention.
Faint, Ain't, saint, complaint,
Sometimes, if something is found to be extremely shocking to a person, such as seeing a dead body, he or she can faint. Even healthy people, after running a long distance, can faint because not enough oxygen gets to the lungs.
Probably about 1 day
because they stand too long in the same place
Before 107 BC it is not known. The Marian reforms of the army of 107 BC created a standing army where the soldiers had a career of 16 years (later it was increased to 20 and 25). The professional soldiers were drilled and trained regularly.