Answer:
an upset stomach
Explanation:
when your immune system is weak , it mostly causes an upset stomach! let me know if this helped.
Answer:
– Natural exposure to infectious agent stimulates your own B cells to produce antigen-specific antibodies – Artificial immunization (vaccination) with key antigens or epitopes from an infectious agent does the same thing – Active immunization results in immunologic memory (more vigorous response next time)
Explanation:
Answer: It can cause higher mortality rates, but also reduce stroke.
Explanation:
Studies show that atenolol can reduce stroke risk, but not mortality rates, heart attack rates, and cardiovascular events in the elderly.
Answer:
place it over the nose,mouth and chin. Fit the flexible nose piece over the bridge of the nose. Secure it on the head with the ties
Explanation:
