Which Organ Does Not Take Rest?
The appendix may be the most commonly known useless organ.

.

In this regard, which organ of the body works 24 hours?

The liver

Also, which organ works the most? 2: The brain is the most complex organ in the body.

Just so, which organ works day and night?

"Circadian clocks: Body parts respond to day and night independently from brain, studies show." ScienceDaily. ScienceDaily, 30 May 2019.

Does the brain rest?

The body rests during sleep, not the brain. The brain remains active, gets recharged, and still controls many body functions including breathing during sleep.

Related Question Answers

What is the hardest working organ in your body?

Heart. Every cell in the body depends on this muscle, the body's hardest-working organ.

What is the busiest muscle in the body?

Eye muscles are the busiest muscles in the body. Scientists estimate they may move more than 100,000 times a day! 3. The largest muscle in the body is the gluteus maximus muscle in the buttocks.
Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.