Functioning of Human Body
Category : 4th Class
Human body is a complex, well-coordinated, wonderful and a beautiful looking machine. We have different systems working independently and doing its work without any fuss or irregularities.
We can say that our body follow the rule of division of labour. We have different systems like the digestive system whose function is digesting of food, circulatory system which supplies food and oxygen to the required cells and collects waste from all body parts. Nervous systems which coordinates all our body function. Respiratory system is concerned with the release of energy from the food. Excretory systems excretes the waste material from our body. Reproductive system is involved in reproduction, i.e., producing young ones. The functions of these systems are monitored by the brain. These systems are made up of many organs working together for a common function. For example, digestive system consists of mouth salivary glands, oseophagus, stomach, liver, gall bladder, pancreas, small intestine large intestine, rectum and anus. Other than organs of the systems we have the sense organs which helps us to see, feel, hear, smell and taste. The human body is also wonderfully packed with each organ placed at proper point with all care and protection. The soft organs of the body are protected by the hard outer covering of the rib cage and the bones. The organs of our body function all the time..
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