BC: Thank you
FC: Nervous System
1: The main parts of the Nervous System are...... | Brain | Spinal Cord | Neurons
2: The brain is like the motherboard of a computer. It's what tells the body what to do. It is the most complex organ in the body. A common brain injury is a concussion.
3: DID YOU KNOW You have about 100 billion neurons in the brain. 75% of the brain is made up of water. The brain is 2% of your total body weight. Your brain uses 20% of the total oxygen in your body.
5: The spinal cord is made up of 31 segments in all. It is about 45 cm long in men and 43 in women. The spinal cord is basically the information highway of the body, it sends messages back and forth between the brain and the rest of the body. Sometimes you might tear your spinal cord.
7: Neurons do many things and there are different kinds: Sensory Neurons and Motor Neuron are some. There are about 100 neurons in the brain.