Question : What are the components of the transportsystem in human beings ? What are the functions of these components ?

Question : What are the components of the transportsystem in human bei

1.	Question : What are the components of the transportsystem in human beings ? What are the functions of these components ?
Answer» Solution :Human transport system has two components - blood vascular system and lymphatic system . Blood vascular system : comprises of blood, blood vessels and heart. Heart is the pumping organ of blood vascular system . Thecellular componentcomprises of types of CELLS-red blood cells, white blood cells and blood platelets . Red blood cells - RBC plays an importantrole in transport of nutrients, EXCRETORY materials, hormones, gases, etc. Oxygen is transported as oxyhaemoglobin and `CO_(2)`as carbamino haemoglobin White blood cells - WBC are considered as the soldiers of ourbody as they phagocytosegerms/microbes. They combat foreign bodies by producing antibodies and histamine . Blood platelets - Platelets playan important role in COAGULATION or clottingof blood. Blood vessels - are the three types namely arteries,veins and capillaries. Arteries are blood vessels that takeaway oxygenatedblood from heart to different body parts. Veins carrydeoxygenated blood towardsheart from various body parts. Capillaries - Exchange of materials between blood and living cells through tissue fluidis facilitated by capillaries. Lymphaticsystem whichcomprises of lymph, lymph vessels and lymph nodes help in picking uptissue SECRETION and passing into blood. It maintains the blood volume. It also aids in defence of ourbody.