(a) Draw a sectional view of the human heart and label on it Aorta, Right Ventricle and Pulmonary Vein.
(b) State the functions of the following components of transport system
(i) Blood (ii) Lymph
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Explanation:
The lymphatic system has three functions: The removal of excess fluids from body tissues. This process is crucial because water, proteins, and other substances are continuously leaking out of tiny blood capillaries into the surrounding body tissues.
Blood has many different functions, including: transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss. carrying cells and antibodies that fight infection.
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