What Are The Main Organs And Their Functions?

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 are the functions of each organ?

Organ Systems of the Human BodyOrgan SystemFunctionsSkeletalSupports and moves body Protects internal organs Mineral storage Blood formationMuscularLocomotion Heat productionNervousCoordinates activities of other organ systems Responds to sensationsEndocrineRegulates body functions by chemicals (hormones)7 more rows

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 5 main organs of the 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’s inside a human body?

Chemically, the human body consists mainly of water and of organic compounds—i.e., lipids, proteins, carbohydrates, and nucleic acids. Water is found in the extracellular fluids of the body (the blood plasma, the lymph, and the interstitial fluid) and within the cells themselves.

What are the main function of human body?

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

What is your 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 7 functions of life?

Seven Functions of Living ThingsMovement. Living things have the ability to move in some way without outside help. … Sensitivity. Living things respond to conditions around them. … Respiration. … Nutrition. … Growth. … Reproduction. … Excretion.

What are the 78 organs in the human body?

Among these 78 organs, five organs are considered as vital for survival. These include the heart, brain, kidneys, liver and lungs….Types of Organs in a Human Body.Adrenal GlandsBladderHeartKidneysPancreasPharynxThymus GlandTongueTestesSeminal vesicles13 more columns

What are the 6 main organ systems and their functions?

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…

What are the 7 Major organs of 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.

What is the most useless organ in the body?

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 major organs of each body system?

What are the main organ systems in the body?Circulatory system: heart, blood, blood vessels, and lymphatics.Digestive system: esophagus, stomach, small intestine, and colon.Endocrine system: pituitary, thyroid, ovaries, and testes.Immune system: organs (including lymphatics and spleen), special. … Integumentary system: skin, hair, nails, and sweat glands.More items…

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 an example of an organ?

Organs are the body’s recognizable structures (for example, the heart, lungs, liver, eyes, and stomach) that perform specific functions. An organ is made of several types of tissue and therefore several types of cells.

Which part of the human body is like a closed first?

Explanation : Heart is likely to the size of one closed first .

What organ system is the skin in?

integumentary systemThe integumentary system is an organ system consisting of the skin, hair, nails, and exocrine glands. FUN FACT: The skin is the largest organ of the human body!

What is the smallest organ in the body?

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.

What is the strongest muscle in the human body?

masseterThe strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars. The uterus sits in the lower pelvic region.

What are the 11 human body 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.

What is the most important organ in the body?

Anatomy & Function The brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.