En los animales, el sistema circulatorio no es complemento del respiratorio ya que el intercambio de gases se realiza independientemente del transporte de sustancias. ¿Qué características tiene el sistema circulatorio de los organismos que presentan esta particularidad?

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

make   gliitsh plesea   !

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.