What Are The 11 Major Organ Systems And Their Main Functions?

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..

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 is your largest organ?

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 11 major organ systems of the human body?

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 are the major functions of each organ system?

Organ Systems of the Human BodyOrgan SystemFunctionsCardiovascularTransports oxygen and nutrients to tissues Removes waste productsLymphaticReturns tissue fluid to blood Defends against foreign organismsRespiratoryOxygen/carbon dioxide exchangeDigestiveProcesses foods Absorption of nutrients into body7 more rows

What are the four functions of the muscular system?

The main functions of the muscular system are as follows:Mobility. The muscular system’s main function is to allow movement. … Stability. Muscle tendons stretch over joints and contribute to joint stability. … Posture. … Circulation. … Respiration. … Digestion. … Urination. … Childbirth.More items…•

What’s the strongest muscle in your 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.

What is the most important organ system?

While 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 11 major organ systems and their main functions quizlet?

Terms in this set (11)Cardiovascular System. Heart, Arteries, Veins, Capillaries. … Respiratory System. Lungs, Bronchi, Trachea, Larynx, Alveoli. … Urinary System. Urethra, Ureter, Urinary Bladder, Kidneys, Liver. … Endocrine System. … Lymphatic (immune) system. … Digestive System. … Muscular System. … Skeletal System.More items…

What are the 12 organ systems and their functions?

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

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.