Which of the Following Is Not Part of the Lymphatic

question 43

Multiple Choice

Which of the following is not part of the lymphatic system?

• A) Thymus
• B) Spleen
• C) Thyroid
• D) Peyer patches

---

Definitions:

Reticular Formation

A network of nerves in the brainstem involved in regulating wakefulness and sleep-wake transitions.

Sleeping

The natural resting state in which the body is not active, the mind is unconscious, and the body can repair and rejuvenate itself.

Cerebellum

A region at the back of the brain that plays a key role in motor control, coordination, precision, and timing of movements.

Medulla

The base of the brainstem, controlling vital bodily functions such as breathing, heart rate, and blood pressure.