1. The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.
2. In a human, the cerebral cortex contains approximately 15–33 billion neurons, each connected by synapses to several thousand other neurons.
3. The brain is the most complex organ in a vertebrate's body.
4. The brain is located in the head, usually close to the sensory organs for senses such as vision.
5. These neurons communicate with one another by means of long protoplasmic fibers called axons, which carry trains of signal pulses called action potentials to distant parts of the brain or body targeting specific recipient cells.
1. Good information, but why does it say Hand Tools as the title, in fact multiple books say the same, it's not practical trying to find a topic you want.Brilliant starter book to help me understand my own brain and how it is involved with my mental health problem s learning gives you more power to fight for what therapy and meds you need although it would be interesting if I had a mri what my brain wasvlikeits a grate learning book and helps to to relaxing when feeling out of sort's.Only one missing is present in this app.In the language section Urdu language is not included.This app is good .