The concept of hormones, their biological role.
ENDOCRINE SYSTEM – system of glands that produce hormones and secrete them directly into the blood. These glands, called endocrine glands or ductless, have no excretory ducts; they are located in different parts of the body, but functionally closely related. The figure shows the location of major endocrine glands in the human body. Absent the figure the pineal gland (epiphysis), studied enough, but now it belongs to the endocrine system. This gland is a small formation in the midbrain, and in mammals, it plays a role in neuroendocrine transducer, which goes from the eye through the brain Continue reading
Whom to call them, these participants “events-self-mutilation”, overcoming the not in young age hundreds (!) 42-kilometer marathons? Crazy, narrow-minded opinion, not desirable, the roof, of course, did not go. Thrill-seekers? But it is another story. And if you remember Yuri Vlasov with his “to overcome”? After all, they themselves have to overcome! And that’s what
matters. What is the mileage, I realized even at practice, two days before the start. Thank God we arrived early. This is because came with his family: himself such a luxury would not be allowed. Would for two or three days: Noblesse oblige — Director.
Now, forty minutes of workout shoes filled with moisture. Water? Then? Humidity-80% at 30 degreesheat! Even doubted the correctness of the choice of distance is 50 km away. After all, there were 25 and 10 km, But not our retreat. The more I have in the past military. Especially in the presence of his wife and son… even Though his wife sighed with relief. Continue reading
What is the best source of energy for muscles and brain? Carbs, carbs and more carbs! Although fats and proteins can also supply the body with energy, but in the body they are designed for other functions and how energy sources are not as effective compared to carbohydrates. Carbohydrates serve as fuel source for the brain and muscles. The body can
“burn” carbohydrates quickly and with very high efficiency.
What are carbohydrates?
Simple carbohydrates are a group of products containing sugar. Complex carbohydrates – a group of foods containing starch.
Simple carbohydrates found in chocolate, fruits, sugar, jam, honey, etc. They can just a few minutes “to enter the blood stream”, providing you with a “quick energy”.
Your body instantly responds to a rapid rise in blood sugar by releasing insulin, which helps cells “pick up” from the blood of excess sugar. As a result, the blood sugar is rapidly decreasing Continue reading