What is Pulse rate? Which part of the brain controls heartbeat? Which part of the brain does the thinking? What are the functions of the 3 parts of the brain? What is the fusion of a egg with a sperm called? Give a brief outline of excretion by kidneys in a normal person? What are the 3 main sys. in our body which allows movement?
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Every second of every day the brain is collecting and sending out signals from and to the parts of your body. It keeps everything working even when we are sleeping at night. Here you can take a quick tour of this amazing control center. You can see each part and later learn what areas are involved with different tasks.

Brain Cells
There are two types of cells in your brain,neurons and glial cells (glia - Greek word for glue). For a long time biologists have thought that the neurons were the only cells that controlled our bodies and were also where our memories are kept. Glialcells were just in the brain to support neurons, insulate them, provide nutrition, and do basic housekeeping. New research is beginning to show that glial cells are doing more than these jobs.
Support: Gliacells act as a physical support and protection for neurons. They also help keep the blood-brain barrier which prevents toxic chemicals in the blood from entering the brain.
Nutrition: Gliacells help keep the environment around neurons in balance and make sure the right nutrients are available for neurons.
Insulation: Gliacells can create myelin, a fatty substance that helps insulate the axons of neurons. This helps keep electrical signals inside the neuron and helps them move faster.
Housekeeping:Glia cells can prevent the buildup of toxic chemicals, help destroy viruses and bacteria, and get rid of dead neurons.
Biologist Dennis McDaniel used a confocal laser scanning microscope (CLSM) to see inside the brain. The rotating image shows many glial cells calledastrocytes.

Brain Cells
There are two types of cells in your brain,neurons and glial cells (glia - Greek word for glue). For a long time biologists have thought that the neurons were the only cells that controlled our bodies and were also where our memories are kept. Glialcells were just in the brain to support neurons, insulate them, provide nutrition, and do basic housekeeping. New research is beginning to show that glial cells are doing more than these jobs.
Support: Gliacells act as a physical support and protection for neurons. They also help keep the blood-brain barrier which prevents toxic chemicals in the blood from entering the brain.
Nutrition: Gliacells help keep the environment around neurons in balance and make sure the right nutrients are available for neurons.
Insulation: Gliacells can create myelin, a fatty substance that helps insulate the axons of neurons. This helps keep electrical signals inside the neuron and helps them move faster.
Housekeeping:Glia cells can prevent the buildup of toxic chemicals, help destroy viruses and bacteria, and get rid of dead neurons.
Biologist Dennis McDaniel used a confocal laser scanning microscope (CLSM) to see inside the brain. The rotating image shows many glial cells calledastrocytes.
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