Match the following. Digestive System Kidney Respiratory system Brain Circulatory system Alimentary canal Excretory system Heart Nervous System Lungs

The alimentary canal is also known as a digestive system. It is a coiled muscular tube extending from the mouth to the anus. Lungs are the primary organ of the respiratory system. The respiratory system provides oxygen to the tissues of the body and removes carbon dioxide from the tissues. The heart is part of the circulatory system. In this system, blood is circulated to transport oxygen and nutrients to every part of the body. The kidney is part of the excretory system. The excretory system removes the waste products from the body. The brain is the part of the nervous system. The nervous system is an integration of nerves and specialised cells called neurons. Digestive System Alimentary canal Respiratory system Lungs Circulatory system Heart Excretory system Kidney Nervous System Brain

Respiration is the process of inhaling oxygen and exhaling carbon dioxide. The respiratory system provides oxygen to the tissues of the body and removes carbon dioxide from the tissues.