There are systems in our body -
Nervous system - includes brain , spinal cord and nerves - receives impulses from every part and gives commands to every part ( messages carried by nerves )
Circulatory system - includes heart , arteries , veins and blood vessels ( main artery is aorta and main vein is superior vena cava ) pumps oxygenated blood to every part and sends deoxygenated blood to lungs.
Respiratory system - includes trachea ( windpipe ) , lungs and alveoli ( air sacs ) . Purify deoxygenated blood , and is responsible for exchange of gases ( carbon dioxide and oxygen ).
Excretory system - includes kidney , urinary bladder , ureters ( pipes which connect kidneys to bladder ), anus and urethera. disposes of waste materials in the form of stool or urine . (( to note - sometimes lungs and skin are also considered since lungs dispose carbon dioxide and and skin disposes extra water and salt in the form of sweat.
Digestive system - includes food pipe , mouth , teeth , salivary glands , stomach , liver , spleen , pancreas , small intestine , large intestine and anus . Responsible for consuming , digesting food and assimilating nutrients .
Immune system - includes red blood cells , white blood cells , plasma , fibrin threads , platelets , lymph vessels and lymph fluid . Responsible for combating harmful and foreign substances and sealing wounds .
it help us to live..
One fact about each and all body systems is that each body system has its own separate but interrelated function.
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They vary according to each operating system and each program. Consult the help center of your operating system to see their functions.
to grade the amount of freedom in each economic system
to grade the amount of freedom in each economic system
No, the organs in an organ system have specific roles and functions that work together to perform a coordinated task. Each organ has a unique structure and function that contributes to the overall function of the organ system.
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A group of organs working together for a coordinated function is called an organ system. Organ systems in the human body include the respiratory system, digestive system, and nervous system, among others. Each organ system has specialized functions that contribute to the overall well-being and function of the body.
The complete wave function describes the state of a quantum system with all possible values of position and momentum for each particle in the system. It contains all the information about the system necessary to make predictions about its behavior.