Which of the following glands is present between the lungs?

Thymus

The correct answer is Option (4) - Thymus

The gland present between the lungs is: Thymus

The thymus gland is located in the mediastinum, which is the area in the middle of the chest between the lungs. It is situated behind the sternum (breastbone) and in front of the trachea (windpipe). The thymus is a primary lymphoid organ that plays a crucial role in the development and maturation of T lymphocytes (T cells), which are essential components of the immune system. During childhood and adolescence, the thymus is active and involved in the production of T cells. However, as individuals age, the thymus gradually decreases in size and becomes less active.

• Pituitary: The pituitary gland is located at the base of the brain, below the hypothalamus, within a bony structure called the sella turcica. It is often referred to as the "master gland" because it produces and releases several hormones that regulate various physiological processes and control the functions of other endocrine glands.
• Pineal: The pineal gland is a small gland located deep within the brain, between the cerebral hemispheres. It secretes the hormone melatonin, which regulates the sleep-wake cycle (circadian rhythm) and plays a role in the regulation of reproductive hormones.
• Hypothalamus: The hypothalamus is a region of the brain located below the thalamus and above the pituitary gland. It serves as a link between the nervous system and the endocrine system, controlling various bodily functions such as hunger, thirst, body temperature, and hormone secretion.