<span>D is the correct answer. Controllable risk factors are factors you have control over, for example environmental or behavioural. These are such things as sexual behaviour and smoking. Her age and heredity are examples of uncontrollable risk factors, as a person cannot determine these.</span>
I think it's true but I'm not to sure
I think it is 5 hours but i don’t know
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.