Answer:
It allows information to go from one neuron to another through neurotransmitters.
The primary function of the respiratory system is to supply blood with oxygen
Answer:
What do you already know about the difference between dominant and recessive traits? Or sex-linked and autosomal traits? Dominant traits are the traits that are normally shown in an organism. Recessive traits are the traits that are not normally shown in an organism overpowered by the dominate trait.
B.) its is only used for dna