Explicar las siguientes frases: a) Nuestro sistema neuronal es un gran centro de control.
b) El cráneo no sólo protege al Cerebro.
c) La Médula Espinal no sólo es una vía de comunicación con el encéfalo.
d) Un golpe contundente a nivel del Bulbo puede provocar la muerte.
e) Cuando bebemos mucho perdemos la coordinación de nuestros movimientos.
f) Una lesión en el hemisferio izquierdo del cerebro puede producir inmovilidad del brazo derecho.
g) La comunicación neuronal es de naturaleza electroquímica.

How does the nervous system affect the excretory system?

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.

Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?