jaynejosephjj jaynejosephjj

31-03-2019
Biology

contestada

What causes asthma?
A. Bacteria that are resistant to antibiotics infect the body.
B. Particular antigens trigger muscle contractions that make it difficult to breathe.
C. Antibodies and cytotoxic T cells attack cells in the tissues of the lungs.
D. Mosquito-borne pathogens enter the bloodstream.

Respuesta :

31-03-2019

My teacher once told me it was C.

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