Choose all the answers that apply. the nervous system
a transmits nerve signals through blood.
b controls body functions,
c is only found in animals
d is made of the heart and blood vessels
e interacts with all other systems

The nervous system is present only in animals.

The nervous system also interacts with other systems.

It also controls body functions(the central nervous system does).

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when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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