Questions: The action of chewing food is controlled by the division of the nervous system, while the digestion of food is controlled by the division Which of the following pairs completes the sentence above? A somatic/autonomic B voluntary/somatic C sensory/ motor D involuntary / voluntary

The answer is the first one (A): somatic/autonomic.

Explanation for each option:

A. Somatic/Autonomic: This is the correct answer. The somatic division of the nervous system is responsible for voluntary movements, such as chewing food. The autonomic division controls involuntary processes, such as digestion.

B. Voluntary/Somatic: This option is incorrect because the somatic division is responsible for voluntary actions, but it does not control digestion, which is an involuntary process.

C. Sensory/Motor: This option is incorrect because the sensory division is responsible for receiving sensory information, and the motor division is responsible for movement. Neither directly addresses the control of digestion.

D. Involuntary/Voluntary: This option is incorrect because it reverses the roles. Chewing is a voluntary action, and digestion is an involuntary process.

In summary, the correct pair that completes the sentence is somatic/autonomic, as it accurately describes the control of chewing and digestion by the nervous system.