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Transcript of Sleeping
When sleeping the respiratory, circulatory, digestive, excretory, and nervous systems all work together. All these systems cycle through to help us sleep. Let's start at the respiratory system, first you breathe in oxygen and the oxygen diffuses into blood cells. (Now entering the circulatory system.) Then blood cells travel back to the heart where they are still oxygen rich. Next, the blood will travel to the small intestine where it will receive nutrients from food molecules. ( Now, we are in the digestive system.) Then, oxygen and nutrient rich blood cells will travel to the large intestine where water is absorbed and diffused into the blood cells. Next, the oxygen rich, water filled, nutrient rich blood cells will travel to the brain where you are dreaming. (Now entering the nervous system.) Your brain is processing memories and information in a file-like manner. The blood cells release the substances to the brain, so it can continue to do its normal functions. Finally, any water that was not released to the brain will go back to the heart through veins. Water, still inside the molecules will be pumped out of the heart, to the kidneys. Then in the kidneys some of the water will be diffused out the the blood cells, into the nephrons. In the nephrons, the water will be transported out of the body along with other wastes. The cycle ends with the excretory system. (know that this isonly one way the systems work together while you sleep.)
All in all...
How do you think of sleep? As something that comes naturally? Have you ever really thought about it? Sleep is very important in order to maintain your health. I think that it would be very interesting to learn about how our bodies function while we sleep. After this presentation, tell me how you think of sleep.
Sleep. Sleep is the bodily function in which you slowly loose consciousness, in an involuntary manner. Or in other words, when your body shuts down to rest. Your body is actually more active while you sleep rather than awake. While you are asleep many things occur. A few things that happen when you sleep are memories are analyzed, cells repair, and our brains process thoughts and remake them through dreams.
Body Systems Involved in Sleep:
All in all, sleep is such an easy task that you don't really think about. But your body is still working very hard during this period of rest. The respiratory, circulatory, digestive, nervous, and excretory systems all work together to help you to complete this simple, yet elaborate task, like sleeping. Now that you understand sleep, how do you think of it.
How are the 5 Systems Involved?
The Respiratory System.
Ventilation (act of breathing) is slower while asleep rather than when awake. Even though you are still asleep, ventilation increases by about 15% when you begin to dream.
The Circulatory System.
While you sleep, cells are being very quickly repaired. It is also known that your heart functions better with a good night's rest. Sleep can help to prevent heart attacks and strokes in adults. Many things are going on in your circulatory system while you sleep and to add to it your heart is constantly pumping blood to the lungs, to itself, and to the throughout the whole body.
The Digestive System.
While you are asleep your digestive system is collecting nutrients from your foods and producing waste that will later be removed from the body.
The Excretory System.
While you sleep you sweat even though you may not notice. Your body has 2 to 4 million sweat glands that produce 16-24 ounces of sweat each night. Also, your kidneys are very hard at work while you sleep, filtering blood.
The Nervous System.
While you're sleeping your brain stem controls your body's involuntary actions like breathing. Thoughts that you haven't completely processed are processed while you sleep and sometimes appear in your dreams. This is largely done by the cerebrum.
There are many things and systems working while you sleep. There are respiratory, circulatory, digestive, excretory, and nervous. Those are just the ones that we have learned about, there are still the endocrine, metabolic, and cardiovascular systems that are a large part of a simple task like sleeping.