Quick Answer: What Are The 4 Main Organs?

What is the fastest thing in the human body?

The eye: the fastest muscle in the human body..

What is the most important organ system in the human body?

nervous systemWhile your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes.

What are the 5 main organs?

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 are the 11 organs?

The 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.

What is the largest organ in the body?

Skin is the human body’s largest organ. Body organs aren’t all internal like the brain or the heart. There’s one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.

What are the 13 systems in the human body?

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…

How is the human body similar to our society?

Functionalists see society as being similar to the human body. In the same way the body relies on the heart to pump blood round to other vital organs like the lungs and brain. Functionalists see society as being constructed of different inter-dependent components like the family and education.

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 main organs and their functions?

These are the main organs, as well as their primary function:The brain controls thoughts, memory and other organs.The heart pumps blood around the body.The lungs separate oxygen from the air and remove carbon dioxide from the blood.The stomach helps to digest food.The intestines absorb nutrients from food.More items…

What emotions affect what organs?

The emotions had superior tf-idf values with the following bodily organs: anger with the liver, happiness with the heart, thoughtfulness with the heart and spleen, sadness with the heart and lungs, fear with the kidneys and the heart, surprise with the heart and the gallbladder, and anxiety with the heart and the lungs …

Is blood an organ?

Blood is both a tissue and a fluid. It is a tissue because it is a collection of similar specialized cells that serve particular functions. These cells are suspended in a liquid matrix (plasma), which makes the blood a fluid.

Which body part can only be found 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 organ system is the skin in?

integumentary systemThe skin is the largest organ of the body. The skin and its derivatives (hair, nails, sweat and oil glands) make up the integumentary system. One of the main functions of the skin is protection.

What are the 7 main organs?

Some of the easily recognisable internal organs and their associated functions are:The brain. The brain is the control centre of the nervous system and is located within the skull. … The lungs. … The liver. … The bladder. … The kidneys. … The heart. … The stomach. … The intestines.

What are your main organs?

The sections below will look at the five vital organs in more detail.Brain. 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. … Kidneys.

How many organs do humans have?

Altogether there are seventy-eight main organs within the human body. These organs work in coordination to give rise to several organ systems. Among these 78 organs, five organs are considered as vital for survival. These include the heart, brain, kidneys, liver and lungs.

Which is the most sensitive organ in our body?

Skin is the largest organ of the human body. It is an impressive and vital organ….Answer: Skin.Related Questions & AnswersWhat Is TurgidityWhat Is The Symbol For Molarity4 more rows

Which organs can you live without?

Here are some of the “non-vital organs”.Spleen. This organ sits on the left side of the abdomen, towards the back under the ribs. … Stomach. … Reproductive organs. … Colon. … Gallbladder. … Appendix. … Kidneys.