The nervous system is divided into two parts: the central nervous system and the peripheral nervous system. the central nervous system is composed of the brain and spinal cord. which part of the brain regulates vital homeostatic functions, such as breathing and heart rate?

Medulla

Explanation:

This part of the nervous system (Your brain) helps regulate your heart rate, breathing, and swallowing. As it is part of the brain stem, it helps transfer neural messages to and from the brain and spinal cord.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

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