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Nervous & Circulatory Systems

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Monica Ayala

on 24 September 2013

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Transcript of Nervous & Circulatory Systems

Nervous & Circulatory Systems
The nervous system and circulatory system are connected through the organ and bodily function control. All functions of the body are regulated by the brain through the nervous system. Without messages from the brain, the circulatory system does not work. Heart function and fluid circulation are triggered by the nervous system.
How do hormones affect the brain ?
Your brain releases the so-called love hormone whenever you touch someone (a lover, a friend). High levels can bolster sex drive, heighten trust, beat back stress, and lower blood pressure. They can also impair memory, which may be why "hugging it out" actually works—releasing oxytocin could essentially help you forget a fight.
Fun facts
How do different foods affect your body?
Tea not only increases metabolism but also spikes your mind and cognitive abilities. Tea contains antioxidant, catechines that enhances blood flow.
Cocoa is a powerful antioxidant that prevents the brain from oxidative stress that can cause Parkinson’s Disease, atherosclerosis, heart failure, Alzheimer’s Disease and chronic fatigue syndrome.
Nuts like almond and walnuts are a great ingredient for maintaining blood vessels.
How do these systems impact your nutrition and health ?
Discusses the effects of aging on eating behaviors, food choices, nutrition, and health status. People eat less and make different food choices as they get older. However, lower food intake among the elderly has been associated with lower intakes of calcium, iron, zinc, B vitamins, and vitamin E. Low energy intakes or low nutrient density of the diet may increase the risk of diet-related illnesses.
The signs and symptoms of iron-deficiency anemia depend on its severity. Mild to moderate iron-deficiency anemia may have no signs or symptoms
How Do The Two Systems Work Together ?
Continued ...
Whenever you're in danger—or just really frazzled—your hypothalamus slingshots cortisol, a stress hormone, into your bloodstream. It quickens your heartbeat, feeds your brain extra oxygen, and unleashes energy from your fat and glucose stores—all good things, in a pinch. But studies show unrelenting stress can actually break that initial internal slingshot, leaving you with too little cortisol and making you feel perpetually spent.
Nervous and Circulatory system deficiency
Junk food makes people insane! The increase in mental disorders in the last several years could be attributed to the increase in the consumption of an unhealthy diet. Foods with omega-3 fatty acid (mainly vegetables and fish) help keep the brain healthy. People eat 1/3 less vegetables and 2/3 less fish than they did 50 years ago (BBC News).
Asparagus contains rutin, which protects small blood vessels from rupturing and may protect against radiation.
A study conducted by researchers at the University of Barcelona, Spain, and published in “Nutritional Neuroscience” in 2005 found that diets rich in blueberries significantly improved the learning capacity, memory and motor skills of aging rats.
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