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- Dictionarynervous system/ˈnəːvəs ˌsɪstɪm/
noun
- 1. the network of nerve cells and fibres which transmits nerve impulses between parts of the body.
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14 hours ago · The human eye is an organ of the sensory nervous system that reacts to visible light and allows the use of visual information for various purposes including seeing things, keeping balance, and maintaining circadian rhythm . Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device.
14 hours ago · Tiger. The tiger ( Panthera tigris) is a member of the genus Panthera and the largest living cat species native to Asia. It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly vertical stripes. It is traditionally classified into nine recent subspecies, though some recognise only two ...
14 hours ago · Depressant. Appearance. Not to be confused with depressogen. Colloquially known as " downers ", depressants or central nervous system (CNS) depressants are drugs that lower neurotransmission levels, decrease the electrical activity of brain cells, or reduce arousal or stimulation in various areas of the brain. [1]
14 hours ago · Acupuncture [b] is a form of alternative medicine [2] and a component of traditional Chinese medicine (TCM) in which thin needles are inserted into the body. [3] Acupuncture is a pseudoscience; [4] [5] the theories and practices of TCM are not based on scientific knowledge, [6] and it has been characterized as quackery.
14 hours ago · Meditation lowers heart rate, oxygen consumption, breathing frequency, stress hormones, lactate levels, and sympathetic nervous system activity (associated with the fight-or-flight response), along with a modest decline in blood pressure. However, those who have meditated for two or three years were found to already have low blood pressure ...
14 hours ago · 1.33 billion / 18.5% (2015) [4] Hearing loss is a partial or total inability to hear. [5] Hearing loss may be present at birth or acquired at any time afterwards. [6] [7] Hearing loss may occur in one or both ears. [2] In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties with ...
14 hours ago · São Tomé and Príncipe, [a] officially the Democratic Republic of São Tomé and Príncipe, [b] is an island country in the Gulf of Guinea, the western equatorial coast of Central Africa. It consists of two archipelagos around the two main islands of São Tomé and Príncipe, about 150 km (93.21 mi) apart and about 250 and 225 km (155 and 140 ...
