Answer:
"Whenever our son eats shellfish or derivatives thereof, he will present hives." Shellfish allergies are a response of the immune system to the proteins present in some marine animals (shells, prawns, crabs, lobsters, squid, among golds). we should have a lot of information about it, every time we are faced with this type of allergen, the allergic reaction will be much more serious that can lead to an obstruction of the airway.
I believe that it is the first option
Exercise? that should do it
Answer:
Yes
Explanation:
When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide. To cope with this extra demand, your breathing has to increase from about 15 times a minute (12 litres of air) when you are resting, up to about 40–60 times a minute (100 litres of air) during exercise.