-" infections, usually those caused by a virus (e.g. colds or flu)
allergens, most commonly from house dust mites, pets or pollen
exercise, especially in cold weather
emotions, such as excitement, fear or anger
irritants, such as air pollution
smoking people with asthma and the parents of asthmatic children should avoid smoking
changes in the weather (e.g. a cold spell)
food additives, such as tartrazine (an artificial food colouring), or food allergens, such as peanuts (sensitised or allergic individuals can have a very severe allergic reaction).
certain medications some people may be allergic to some drugs (e.g. aspirin"
Answer, Safety if its durable, make sure it fits.
These are only a few
Explanation:
So if you mean basketball then, Zone defense is where you stay in the box and protect the inside more than the outer area. Man to man defense is where you have a particular person and you stay with that person instead of leaving players alone when the balls on the opposite side.
Hope this helped;)
