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Ans 1 = absorb CO2 and release O2
Ans 2= is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart. The left pump sends the newly oxygenated blood around the body.
Ans 3 =
Ans 4 = The oxygen produced during photosynthesis and carbon dioxie produced during respiration is removed from stomata. The excess of water is removed with the process of transpiration. planst excrete some waste products in soil as well. some of the excretory wastes are stored in the cell vacuoles and form resin and gum
Ans 5 = Lymph is the fluid that circulates throughout the lymphatic system. ... It absorbs and transports fatty acids and fats as chyle from the digestive system. It transports white blood cells to and from the lymph nodes into the bones.
Ans 6 = the evaporation of water or loss of water in vapour form, from the exposed parts of a plant especially leaves is termed as transpiration. Transpiration is important to the plant to produce a cooling effect to the plant at hot conditions and to enable the transport of water and mineral salts from the soil to the leaves
Ans 7 = A nephron is the basic structural and functional unit of the kidneys that regulates water and soluble substances in the blood by filtering the blood, reabsorbing what is needed, and excreting the rest as urine. Its function is vital for homeostasis of blood volume, blood pressure, and plasma osmolarity.
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