S: By Olivia Sprague
BC: Facts: The body is a fascinating thing. It comes in all different shapes and sizes. The brain is the biggest and best,most helpful, thing ever. | By Livvy Sprague PD:1 Mr.Stephens | Facts: If you damage your spinal cord. Anything below it will be paralyzed. The spine sends messages throughout your body.
FC: The body System
1: Cerebrum: The cerebrum is located in the brain. It is the controller of the sensory messages. (E.X.) Hot, cold, dangerous. It is the largest part of the human brain.
2: Spinal cord. | The spinal cord is the most important internal body part besides the brain.The medulla Oblongata connects downward to the spinal cord. | If you brake your Spine anywhere down will be paralyzed.
3: A physical is required before playing are any involvement in any sport, this consist of: A strike on the leg with a rubber and metal thing, then your leg is supposed to jerk with no help. That is a reflex. Reflexes are of great importance because they are a protective mechanism. | The jerk is from your brain. The brain tells your leg to bounce forward ALONE. Just like your brain says to blink. | Reflexes.
4: Neuron: | Theses keep brain informed on a lot of important things. | Neurons are like tiny wires that carry messages. They tell the brain to do curtain things, like move, walk, run, jump, or be afraid of something. Motor neurons carry messages to either muscles or to a gland. Either or. Sensory messages come from the brain and spinal cord.
5: Nerves: | If all the body's nerves were conjoined end to end they would be stretched out to 100km. A single nerve length last 1/700th of a second. Most nerve signals carry 300 signals per second. the brain has no sense of touch or pain. EX: In surgery it can not feel anything.
6: The medulla is an area that is near the spine. It is in the brain twords the back. It is between the decendent. it is the triangular area. It controls many things. One being: resperation, Cardiac center, vosmoto center, and the reflex center. Like vomitting ect. | Medulla Oblangata
7: A portion of the brain that helps coordinate movement. It allows you to walk, move, eat, anything along the line in moving. Also allows you to balance. It normally only affects you muscles. | Cerebellum:
8: A week immune system will always affect the nervous system. Any disease... | Factors that affect system.
9: The whole body works together as a whole. The brain communicates with the body to do things. move ect. Think ect. And talk. | How the system functions as a whole.