How many organs are there in human body?

How many organs are there in human body?

40 Answers

Devansh Varshney, Sport Programmer | Ex-KVian

Answered Jan 23

It is widely believed that there are 79 organs; however, there is no universally standard definition of what constitutes an organ, and some tissue groups' status as one is debated.

Since there is no single standard definition of what an organ is, the number of organs varies depending on how one defines an organ. For example, this list contains much more than 79 different organs.

Here is the list of 79 organs in a human body.

Musculoskeletal system

Human skeleton

·        Joints

·        Ligaments

·        Muscular system

Digestive system

MouthTeethTongue

·        Salivary glandsParotid glandsSubmandibular glandsSublingual glands

·        Pharynx

·        Esophagus

·        Stomach

·        Small intestine Duodenum JejunumIleum

·        Large intestine

·        Liver

·        Gallbladder

·        Mesentery

·        Pancreas

Respiratory system

Nasal cavity

·        Pharynx

·        Larynx

·        Trachea

·        Bronchi

·        Lungs

·        Diaphragm

Urinary system

Kidneys

·        Ureters

·        Bladder

·        Urethra

Reproductive organs

1.      Female reproductive system

·        Internal reproductive organsOvariesFallopian tubesUterusVagina

·        External reproductive organsVulvaClitoris

·        Placenta

1.      Male reproductive system

·        Internal reproductive organsTestesEpididymisVas deferensSeminal vesiclesProstateBulbourethral glands

·        External reproductive organsPenisScrotum

Endocrine glands

·        Pituitary gland

·        Pineal gland

·        Thyroid gland

·        Parathyroid glands

·        Adrenal glands

·        Pancreas

Circulatory system

Cardiovascular system

·        Heart

·        Arteries

·        Veins

·        Capillaries

Lymphatic system

·        Lymphatic vessel

·        Lymph node

·        Bone marrow

·        Thymus

·        Spleen

·        Gut-associated lymphoid tissueTonsils

Nervous system

·        BrainCerebrumCerebral hemispheresDiencephalon

·        The brainstemMidbrainPonsMedulla oblongata

·        Cerebellum

·        The spinal cord

·        The ventricular systemChoroid plexus

Peripheral nervous system

·        NervesCranial nervesSpinal nervesGangliaEnteric nervous system

Sensory organs

1.      EyeCorneaIrisCiliary bodyLensRetina

·        EarOuter earEarlobeEardrumMiddle earOssiclesInner earCochleaVestibule of the earSemicircular canals

·        Olfactory epithelium

·        TongueTaste buds

Integumentary system

·        Mammary glands

·        Skin

·        Subcutaneous tissue

Also a new organ named the mesentery has been discovered, the organ was previously thought to consist of fragmented and disparate structures.

The mesentery is a double fold of the peritoneum, which is the lining of the abdominal cavity. It connects the intestine to the abdomen.

While the mesentery’s specific function is still unknown, studying it as an organ could lead to new discoveries about its impact on abdominal diseases.

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Mohd Athar, Btech Computer Science, Visvesvaraya Technological University

Answered Jan 23

It is believed that a human body have 79 organs. These organs work for different systems of our human body. Let us see which system contains our favorite organ :P

Musculoskeletal system

·        Human skeleton

·        Joints

·        Ligaments

·        Muscular system tendon

Digestive system

·        MouthTeethTongue

·        Salivary glandsParotid glandsSubmandibular glandsSublingual glands

·        Pharynx

·        Esophagus

·        Stomach

·        Small intestineDuodenumJejunumIleum

·        Large intestine

·        Liver

·        Gallbladder

·        Mesentery

·        Pancreas

Respiratory system

·        Nasal cavity

·        Pharynx

·        Larynx

·        Trachea

·        Bronchi

·        Lungs

·        Diaphragm

Urinary system

·        Kidneys

·        Ureters

·        Bladder

·        Urethra

Reproductive organs

Female reproductive system

·        Internal reproductive organsOvariesFallopian tubesUterusVagina

·        External reproductive organsVulvaClitoris

·        Placenta

Male reproductive system

·        Internal reproductive organsTestesEpididymisVas deferensSeminal vesiclesProstateBulbourethral glands

·        External reproductive organsPenisScrotum

Endocrine glands

·        Pituitary gland

·        Pineal gland

·        Thyroid gland

·        Parathyroid glands

·        Adrenal glands

·        Pancreas

Circulatory system

·        Heart

·        Arteries

·        Veins

·        Capillaries

Lymphatic system

·        Lymphatic vessel

·        Lymph node

·        Bone marrow

·        Thymus

·        Spleen

·        Gut-associated lymphoid tissueTonsils

Nervous system

·        BrainCerebrumCerebral hemispheresDiencephalon

·        The brainstemMidbrainPonsMedulla oblongata

·        Cerebellum

·        The spinal cord

·        The ventricular systemChoroid plexus

Peripheral nervous system

·        NervesCranial nervesSpinal nervesGangliaEnteric nervous system

Sensory organs

EyeCorneaIrisCiliary bodyLensRetina

·        EarOuter earEarlobeEardrumMiddle earOssiclesInner earCochleaVestibule of the earSemicircular canals

·        Olfactory epithelium

·        TongueTaste buds

Integumentary system

·        Mammary glands

·        Skin

·        Subcutaneous tissue

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Shalu Shah, former Dentist

Answered Apr 19

Originally Answered: How many organs are in a human body?

The adult human body is made up of 100 trillion cells,206 bones,600 muscles and nearly 78 organs in our body according to shape,size and function, from which 22 are internal organs.

An organ is a collection of millions of cells which group together to perform single functions in a our body.

Skin is the largest and longest organ according to its size and weight.

Liver is the largest internal organ of the body.

VITAL ORGANS for the survival are as follows:-

1.      Heart

2.     Brain

3.     kidneys

4.     Liver

5.     Lungs

SENSORY ORGANS are as follows:-

1.      Eyes

2.     Ear

3.     Nose

4.     Tongue

5.     Skin

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Saumyaa Srivastava, lives in Patna, Bihar, India

Answered Jan 23

Organ: It is a part of an organism which is typically self-contained and has a specific vital function.

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However, there is no single standard definition of what an organ is, the number of organs varies depending on how one defines an organ.

But basically, there are 78 known organs in the human body, the mesentery makes 79.

The mesentery has recently been upgraded to an organ.

Mesentery is a little-known double-layered sheet of abdominal connective tissue found in your digestive system.

Image Source: Google

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