Write the function of following organs in human being: (i) Heart (ii) Stomach
Answers
Explanation:
Heart= The heart can be found at the centre of the chest , underneath the sternum in a throcic compartment. It is made up of four chambers and several valves that regulate the normal flow of blood within the body. Two chambers are called atria are located in the upper portion of the heart and receive oxygen -free blood.
Stomach= The stomach receives food from food pipe and opens into small intestine. The inner lining of the stomach secrets mucous, hydrochloric acid and digestive juices. The mucous protects lining of stomach. The hydrochloric acid kills many bacteria that enter along with food and makes the medium in stomach acidic helps the digestive juices to act. The digestive juices break down the Proteins into simpler substances.