Etymology
The word "brain" is derived from the Old English word "brægen," which is cognate with the German word "Gehirn" and the Icelandic word "heili." The Old English word "brægen" is believed to be derived from the Proto-Germanic word "*bregnaz," meaning "skull" or "brain."
Meaning
The brain is the central organ of the nervous system in all vertebrates. It is responsible for coordinating all bodily functions, including thought, emotion, and movement. The brain is made up of billions of nerve cells, or neurons, which communicate with each other through electrical and chemical signals.
Origin
The brain first evolved in invertebrates about 550 million years ago. The earliest brains were located near the front of the body and were responsible for controlling basic functions such as feeding and movement. Over time, the brain became more complex and moved to the back of the head. In vertebrates, the brain is located within the skull and is protected by the meninges, a system of membranes.
The human brain is one of the most complex organs in the known universe. It is responsible for our ability to think, learn, remember, and feel emotions. The brain is also responsible for our ability to communicate, create, and solve problems.
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Etymology The word brain is derived from the Old English word brægen which is cogna
Etymology The word brain is derived from the Old English word brægen which is cogna
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Etymology The word intellectual originates from the Latin word intellectus which me
