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Chapter 7: Problem 2

Match the portion of the brain with its function: a. medulla b. pons c. cerebellum d. reticular formation 1\. Maintains breathing and heartbeat. 2\. Controls bodily balance. 3\. Coordinates and integrates muscle movements. 4\. Activates other parts of the brain to produce general bodily arousal.

Short Answer

Expert verified
a. Medulla corresponds to 'Maintains breathing and heartbeat.' \n b. Pons corresponds to 'Coordinates and integrates muscle movements.' \n c. Cerebellum corresponds to 'Controls bodily balance.' \n d. Reticular formation corresponds to 'Activates other parts of the brain to produce general bodily arousal.'

Step by step solution

01

Match Medulla

Medulla is a part of the brain that is responsible for maintaining vital body functions. Hence, the Medulla matches with the function of 'Maintains breathing and heartbeat.'
02

Match Pons

Pons plays a key role in sleep and arousal. However, it also assists the medulla in regulating autonomic functions like breathing. None of the remaining options specifically matches the functions of the Pons, so we skip this for now.
03

Match Cerebellum

The Cerebellum is well known for controlling bodily balance and coordination of muscle movements. So, the Cerebellum correlates with the functions 'Controls bodily balance' and 'Coordinates and integrates muscle movements.'
04

Match Reticular Formation

The Reticular formation is predominantly involved in the sleep-wake cycle and consciousness. It also 'Activates other parts of the brain to produce general bodily arousal.'
05

Revisit Pons

Looking at the remaining function, Pons appears to be most closely related to 'Coordinates and integrates muscle movements.' Even though this is not the primary role of Pons, it does help relay signals from the forebrain to the cerebellum, thereby having a role in motor control.

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