<span>During a sleep study electrodes are attached to the scalp, near the chin, near the eyes, on the upper chest, and the lower legs. Sensors are also attached to the upper lip and either the finger or the ear. The electrodes on the scalp measure brain waves or EEG to monitor the different stages of sleep. The electrodes near the eyes record eye movement and the electrodes on the chin record muscle activity to also provide data for determining sleep stages. The upper chest electrodes monitor heart activity. The lower leg electrodes show leg muscle activity during sleep. The upper lip sensor monitors breathing. The sensor on the finger or ear tell the doctor about the oxygen levels in the patients blood. Various other sensors may be used for studying specific areas of concern t the discretion of the sleep lab technician.</span>
Answer
1844
Millennium: 2nd millennium
Centuries: 18th century 19th century 20th century
Decades: 1820s 1830s 1840s 1850s 1860s
Years: 1841 1842 1843 1844 1845 1846 1847
Answer:
Causes of World War II :
1 The Failure of Peace Efforts.
2 The Rise of Fascism.
3 Formation of the Axis Coalition.
4 German Aggression in Europe.
5 The Worldwide Great Depression.
6 Mukden Incident and the Invasion of Manchuria (1931).
7 Japan invades China (1937).
8 Pearl Harbor and Simultaneous Invasions (early December 1941)
Gpd means gross domestic product
<span>This has been prompted by national governments' belief in massification. Massification is the idea that every single person around the world can be benefited in some way by partaking in higher education. As opposed to the belief that college is not for everyone.</span>