What Are The 12 Organs Of The Body?

What are the 12 organ systems of the body?

These different body systems include the skeletal, nervous, muscular, respiratory, endocrine, immune, cardiovascular/circulatory, urinary, integumentary, reproductive, and digestive systems..

What are the 13 systems in the human body?

They are Integumentary System, Skeletal System, Muscular System, Nervous System, Endocrine System, Cardiovascular System, Lymphatic System, Respiratory System, Digestive System, Urinary System, and Reproductive System (Female and Male).

Which organs in the cell works like brain?

It is located in the head, usually close to the sensory organs for senses such as vision. It is the most complex organ in a vertebrate’s body. In a human, the cerebral cortex contains approximately 14–16 billion neurons, and the estimated number of neurons in the cerebellum is 55–70 billion….Primates.SpeciesEQRat0.47 more rows

What is the hardest body system to learn?

Outside of the nervous system, the muscular system (13.1%) was reported most often as the most difficult organ system to learn.

Is blood an organ?

Technically, blood is a transport liquid pumped by the heart (or an equivalent structure) to all parts of the body, after which it is returned to the heart to repeat the process. 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.

Are teeth organs?

Teeth are an ectodermal organ and as such, in common with other ectodermal organs such as hair, skin, sweat glands and salivary glands, they are located close to the extremity of the body. These organs develop in the embryo via interactions between the ectoderm and the underlying mesenchyme.

What are the 10 organs in the human body?

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.Nov 14, 2018

What are the 11 organ systems?

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.

Which organs can you live without?

Seven body organs you can live withoutSpleen. This organ sits on the left side of the abdomen, towards the back under the ribs. … Stomach. … Reproductive organs. … Colon. … Gallbladder. … Appendix. … Kidneys.Apr 11, 2018

Are there 11 or 12 systems in the human body?

There are 11 major organ systems in the human organism. They are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems.

What are the 78 organs in the human body?

What Are the 78 Organs of the Human Body?Adrenal glands.Anus.Appendix.Bladder (urinary)Bones.Bone marrow (spongy part of the bone)Brain.Bronchi (tubes in the lungs)More items…•Mar 12, 2021

What’s the heaviest organ in the human body?

What are the six heaviest organs in the human body?The skin is the body’s first heaviest organ, with a mass of 4-5 kg, and a total surface area of about 1.2-2.2 m2. … The second heaviest is liver which secretes bile. … The third heaviest organ is the brain which is having an average weight of 1500g. … Next heaviest organ in the human body is lungs.More items…

What is the smallest body organ?

What’s the smallest organ in the human body? You’ll find the pineal gland near the center of the brain, in a groove between the hemispheres. It’s not an organ like those in the abdominal cavity.

Who named body parts?

When the ancient Greeks were naming body parts, they were probably trying to give them names that were easy to remember, says Mary Fissell, a professor in the Department of the History of Medicine at Johns Hopkins.

Is the tongue an organ?

The tongue is a muscular organ in the mouth. The tongue is covered with moist, pink tissue called mucosa. Tiny bumps called papillae give the tongue its rough texture. Thousands of taste buds cover the surfaces of the papillae.