Answer:there are no options
Explanation:
Answer:
Lymphocyte
Explanation:
A type of white blood cell called a lymphocyte recognises the antigen as being foreign and produces antibodies that are specific to that antigen.
Diffusion.
diffusion acts passively, and the oxygen and carbon dioxide move to the area of lower concentration
Answer:
When a child is choking and can't breathe or speak, you MUST give abdominal thrusts (the Heimlich maneuver). The Heimlich maneuver pushes air from the child's lungs which helps to remove the blocking object. You should give abdominal thrusts until the object is forced out or the victim becomes unresponsive.
Explanation:
