S: The Nervous System
BC: The End
FC: The Nervous System
1: THE WEDDING OF | A small nerve cell is called neurons
2: The wires in our bodies are called neurons. Our nerves carry messages from one place to another. The little wires through our bodies are like everything else and are made up of cells. Nerve cells are called neurons. A neuron is made of cell body and a lot of connecting fibers.
3: CELL BODY | CELL BODY
4: The cell body is the control center of the cell and has the nucleus or center, surrounded by cytoplasm. When together they make protoplasm. Growing out from the cell body are thread like fibers that carry messages from one place to the next place. Fibers that bring messages to the cell body are called dendrites. A large nerve called the axon, takes messages away from the cell body.
6: N | There are three types of neurons. Sensory Neurons: Carry messages from the sense organ touch, smell, taste, hearing to the brain and spinal cord. Association Neurons: Are found in the brain and spinal cord. They connect the sensory neurons to the motor neurons. Motor Neurons: Carry messages from the brain and spinal cord to a gland or muscle.
8: SPINAL CORD | SPINAL CORD: The spinal cord is a long thing that is made out of a bunch of nerves found in the vertebral column. There are 31 pairs of nerves carrying messages to and from the spinal cord. Some carry messages to the brain, or muscles and glands.
10: CEREBRUM: The cerebrum is the biggest part of the brain. It also has both white and gray matter. The cerebrum is the principal area of the brain. The cerebrum forms the top of the brain. Cerebrum receives sensory messages controls muscles and allows you to think. CEREBELLUM: Is located behind and below the cerebrum. The cerebellums main function is to control coordination and balance. Also one area controls the muscles. The cerebrum also control speech, hearing, taste, and smell.
12: The medulla oblongata is located at the base of the brain. The medulla is made of both white and gray matter. White matter is on the outside, the white matters purpose is to be a pathway for the nerve messages. The gray matter is like a switchboard for the sensory messages going to the central nerve system.
13: MEDULLA OBLONGATA
14: (add more stuff.) | Smoking, drugs, not eating or not eating enough.
18: science Rocks