Asthma- A condition in which a person's airways become inflamed, narrow and swell, and produce extra mucus, which makes it difficult to breathe.
Asthma attack- Called an asthma exacerbation, the airways become swollen and inflamed. The muscles around the airways contract and the airways produce extra mucus, causing the breathing (bronchial) tubes to narrow.
During an attack, you may cough, wheeze and have trouble breathing. Symptoms of a minor asthma attack get better with prompt home treatment. A severe asthma attack that doesn't improve with home treatment can become a life-threatening emergency.
The parts of the brain has blood cells
Your answer is: Know your family <span>health history and use reliable resources to research any family.illnesses because this will help you understand risks and available treatments. By process of deduction, doctor's appointments cannot perfectly ensure a lack of sickness, increasing sleep has studies that suggest it actually increases chances of weight gain, and performance-enhancing supplements are actually harmful if you don't need them. Good Luck!</span>
Answer:
The flight or fight reaction.
Explanation:
The nervous system and hormonal system of the body work together to maintain the normal physiology and homeostasis of the body. The body can bring some internal changes depending on the external situation.
The fight and flight condition of the body may arise in case of any frightened situation. On seeing the bear, the body's fight and flight mechanism starts to cope with the situation. The epinephrine hormone brings changes via activating the autonomic nervous system of the body. The heart beat fast, pupils dilated and the blood flow increases in the body.
Thus, the answer is flight or fight reaction.