Antibodies are produced by specialized white blood cell called B lymphocytes or B cells when an antigen binds to the B cell surface it stimulate the B cell to divid
Answer: d) it occurs after
The answer is 2 because the other ones dont calculate
Answer:
To open the patient’s airway properly.
Explanation:
the chin, if slack, can relax and partially block the back if the throat. by tilting the head back and lifting the chin forward, it opens up that area