Quick Answer: Which Organ System Is The Most Important?

What are the 3 most important organs?

Vital organsBrain.

The brain is the body’s control center.

Heart.

The heart is the most important organ of the circulatory system, which helps deliver blood to the body.

Lungs.

The lungs work with the heart to oxygenate blood.

Liver.

The liver is the most important organ of the metabolic system.

Kidneys..

What are the 12 organs of the body?

They are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems. Only the reproductive system varies significantly between males and females.

What are the 14 body systems?

These 14 systems are the Musculoskeletal system; Organs of Special Sense (optical); Auditory; Infectious Diseases, Immune Disorders, and Nutritional Deficiencies; Respiratory system; Cardiovascular system; Digestive system; Genitourinary System; Hemic and Lymphatic system; Skin; Endocrine system; Neurological …

What body part is only on humans?

Found only in humans, the hyoid bone is the only bone in the body that is not connected to any other, and is the foundation of speech. This horseshoe-shaped bone in the throat is situated between the chin and the thyroid cartilage.

What is the longest thing in your body?

HumansThe longest bone in the human body is the femur.The largest artery is the aorta and the largest vein is the inferior vena cava.The largest internal organ (by mass) is the liver, with an average of 1.6 kilograms (3.5 pounds).The largest external organ, which is also the largest organ in general, is the skin.More items…

What are the 10 most important organs?

List of 10 Vital Organs of the Body Essential to Human LifeSkin.Brain.Heart.Kidneys.Liver.Pancreas.Stomach.Small Intestine.More items…•

What is the hardest working organ in your body?

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

Which organ system is the least important?

The appendix is essentially the least important organ. The appendix has the role of releasing healthy bacteria in the large intestine, but it’s still rather useless.

What is the most important function of all body systems?

Body Systems, Functions, and OrgansBody SystemPrimary FunctionCardiovascular/CirculatoryBlood circulationDigestiveProcessing foodEndocrineHormone productionUrinaryWaste elimination6 more rows

What are the 5 most important organs in the human body?

Humans have five vital organs that are essential for survival. These are the brain, heart, kidneys, liver and lungs. The human brain is the body’s control center, receiving and sending signals to other organs through the nervous system and through secreted hormones.

What is the most important bone in your body?

Your skull protects the most important part of all, the brain. You can feel your skull by pushing on your head, especially in the back a few inches above your neck.