What Are The 7 Main Body Systems?

What are the 12 parts 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 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 14 body systems?

These 14 systems are the Musculoskeletal system; Organs of Special Sense (optical); Auditory; Infectious Diseases, Immune Disorders, and Nutritional Deficiencies; Respiratory system; Cardiovascular system; Digestive system; Genitourinary System; Hemic and Lymphatic system; Skin; Endocrine system; Neurological …

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 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…

What is the most important cell in the human body?

Red blood cellsRed blood cells (RBCs) are by far the most abundant type of cell in the human body, accounting for over 80 percent of all cells. Adult humans have somewhere around 25 trillion RBCs in their body, on average.

What organ system is the stomach in?

Major Organ SystemsSystemOrgans in the SystemSome Major Functions of the SystemDigestiveMouth Esophagus Stomach Small intestine Large intestine Rectum Anus Liver Gallbladder Pancreas (the part that produces enzymes) AppendixExtracts nutrients from foods Excretes waste products from the body10 more rows

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.

How many systems are there in human body?

The human body consists of eleven organ systems , each of which contains several specific organs .

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.

Which body part is only 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.

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 is the fastest thing in the human body?

The eye: the fastest muscle in the human body.

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

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

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.