21. What antibodies does a person with type O blood have in their plasma? a. A b. B c. A and B d. No antibodies e. Not enough information to answer
Dog allergies like flea allergy dermatitis, environmental allergies, and food allergies occur among sensitive dogs but can be treated through simple solutions. Dog allergies like flea allergy dermatitis, environmental allergies, and food allergies occur among sensitive dogs but can be treated through simple solutions.
Allergies (Definition) 1  Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and can be very serious.