The answer to this question would be: start doing CPR.
If the victim becomes unresponsive, probably the foreign body completely obstructs the airway and the oxygen level is already too low. Without the victim help, taking out the foreign body will be hard.
In this case, CPR will be the best option since the pressure from chest might push the foreign body away and the CPR can help circulate the blood.
Answer:
Los sistemas sensoriales son conjuntos de órganos altamente especializados que permiten a los organismos captar una amplia gama de señales provenientes del medio ambiente. ... Esas señales son transportadas por vías nerviosas específicas (haces de axones) para cada modalidad sensorial hasta los centros nerviosos.
The fusion of gametes is not involved I believe.
