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How much oxygen and glucose can the brain store for emergency situations?
Wiki User
∙ 13y ago
- The brain cannot store oxygen. A person can feel a lack of oxygen after only a few seconds. When someone stands up too quickly and becomes dizzy, this is an example of the loss of blood flow to the brain that can be sensed.
- The brain cannot store glucose (blood sugar). Diabetics who give themselves too much insulin can drop their blood sugar level and faint, and without immediate glucose infusion the brain can die.
Wiki User
∙ 13y ago
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How much oxygen and glucose can brain store for emergency situations?
The brain doesn't have the capacity to store oxygen or glucose. This is the reason why one feels dizzy on getting up suddenly.
Which chemicals give your brain the energy to do its job?
Glucose and oxygen :)
How does glucose and oxygen travel to the brain?
In blood and CSF
How does the brain live?
The brain lives when it has a constant supply of blood glucose and oxygen.
What does the brain need to function the most effectively?
The Brain needs 4 things to function: * Glucose * Blood * Oxygen * And Calcium The Brain needs 4 things to function: * Glucose * Blood * Oxygen * And Calcium
Which chemicals give your brain energy to do its jobs?
glucose and oxygen
What chemicals give your brain energy to do its job?
glucose and oxygen
Why does the brain need a constant supply of oxygen and glucose?
because
How does glucose and oxygen goes to your brain?
Oxygen is moved through the body, bounded to hemaglobine (red blood cells). Glucose is moved through the blood.
Why your heart need lots of oxygen and glucose?
It is a large muscle which constantly exercising your entire lifetime. However, the human brain requires even more glucose and oxygen. The brain consumes 20% of the energy available.
What is the protective mechanism that helps maintain a stable environment for the brain?
The brain is floating in cerebral fluid within the skull and the fluid acts as a shock absorber for the brain. The hypothalamus regulates body temperature maintaining a perfect environment for the brain to survive. The brain also requires oxygen and glucose to survive and therefore a lack of oxygen caused by a decrease in either red blood cells to distribute the oxygen or a reduce intake of oxygen in the lungs for any reason whether disease or injury. A decrease or excessive increase in glucose will also cause damage to the brain as this, along with oxygen, is considered essential brain 'food'.
Explain the circumstances under which adrenaline is secreted and explain its role and the effect on the body?
When in the bloodstream, it rapidly prepares the body for action in emergency situations. The hormone boosts the supply of oxygen and glucose to the brain and muscles, while suppressing other non-emergency bodily processes (digestion in particular).It increases heart rate and stroke volume, dilates the pupils, and constricts arterioles in the skin and gastrointestinal tract while dilating arterioles in skeletal muscles. It elevates the blood sugar level by increasing catabolism of glycogen to glucose in the liver, and at the same time begins the breakdown of lipids in fat cells.
