The spinal cord is continuous with which part of the brain?
Correct answer: B. Medulla oblongata
- A. Cerebrum
- B. Medulla oblongata
- C. Cerebellum
- D. Pons
Explanation
The medulla oblongata narrows down into an oval-shaped hollow cylinder, the spinal cord, running through the vertebral column. Thus spinal cord is continuous with the medulla oblongata. The medulla oblongata is the lowest part of the brainstem, located between the pons and the spinal cord, and controls essential automatic life functions such as breathing, heart rate, blood pressure, and swallowing, while also serving as a pathway for nerve signals between the brain and the rest of the body. It houses cranial nerve nuclei for nerves IX, X, XI, and XII, which are involved in functions like taste, swallowing, and movement of the tongue and neck.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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