Quick Answer: Which Body System Is Most Important?

What are the 3 most important body systems?

The main systems of the human body are:Circulatory system / Cardiovascular system: …

Digestive system and Excretory system: …

Endocrine system: …

Integumentary system / Exocrine system: …

Immune system and lymphatic system: …

Muscular system: …

Nervous system: …

Renal system and Urinary system.More items….

Which is the most important organ system?

nervous systemWhile your heart is a vital organ, the brain and of course the nervous system that attaches to your brain make up the most critical organ system in the human body.

What is the importance of body systems in our body?

Our bodies consist of a number of biological systems that carry out specific functions necessary for everyday living. The job of the circulatory system is to move blood, nutrients, oxygen, carbon dioxide, and hormones, around the body.

Which body system is the most important for keeping you alive?

circulatory systemNot only does the circulatory system keep our cells healthy, but it also keeps us alive. The heart constantly receives signals from the rest of the body that direct how hard it needs to pump to properly supply the body with what it needs, according to Nemours.

What is the most useless body part?

appendixThe appendix may be the most commonly known useless organ. While plant-eating vertebrates still rely on their appendix to help process plants, the organ is not part of the human digestive system.

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.