As you take this test, you do not have to focus on taking your next breath or making your heart beat. this is because the is involved in the control of vital life functions, such as breathing, heart rate, and digestion.

The correct answer is - Medulla.

Explanation:

The medulla also known as medulla oblongata is a very long structure that is similar to the stem. Medulla makes the part of the brainstem in brain. It is located anterior to the cerebellum in the brain.

This cone shaped part of the brain is the reason for all the vital life functions such as breathing, regulating heart rate, digestion and other essential functions.

Thus, the correct answer is - medulla.

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