Outline the characteristics of each phylum under vertebrata and invertebrata in classification
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Vessels draining the myocardium of the heart, open primarily ,into which chamber?

The carrier molecules of the electron transport system are located in the

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.