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  Test Plant System + Human Respiratory and Circulatory System   Fatima Foundation School Class 7th                                                                        Test No. 1  Science        Time............                                                                    Total Marks........... Short Questions   Q.1  What is the effect of transpiration pull? Q. 2  Write down the word equation for photosynthesis? Q. 3 Compare veins and arteries? Q.4 Differentiate  between the process of breathing and respiration? Q.5 Ali took part in a racing competition, but...

  Explore the intricate network that powers your body's vitality – the Human Respiratory and Circulatory System. From the rhythmic expansion of your lungs to the ceaseless journey of blood through arteries and veins, this complex interplay sustains life with every breath and heartbeat. Delve into the marvels of oxygen exchange, where air meets blood in a dance of gas diffusion, fueling cells with life-sustaining energy. Witness the heart's tireless pump, orchestrating the symphony of circulation, delivering nutrients and removing waste with unwavering precision. Embark on a journey through the pathways of life, where every inhalation and every heartbeat tell the tale of resilience and vitality within. Q. Predict what would happen if the valves between the atria and ventricles do not work properly? If the valves between the atria and ventricles do not work properly, it can lead to back flow  of blood, causing inefficient circulation and potential heart-related c...