Figure 20.1Using Figure 20.1, Match the Following

question 33

Short Answer

Figure 20.1Using Figure 20.1, match the following:
-The are the simplest lymphoid organs and are found at the entrance to the pharynx.

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Definitions:

Reticular Formation

A complex network of nerve pathways in the central nervous system that plays a central role in regulating wakefulness, arousal, and attention.

Medulla

An oblong area of the hindbrain involved in regulation of heartbeat, blood pressure, movement, and respiration.

Hindbrain

The rear portion of the brain that includes the cerebellum, medulla oblongata, and pons, involved in the regulation of heart rate, respiration, and balance.

Heartbeat

The rhythmic contraction and relaxation of the heart muscle that circulates blood throughout the body, crucial for maintaining life by supplying oxygen and nutrients.