Life Processes
Your child will see the human body as a set of maintenance systems working without pause. Life processes generally bring about seven marks, frequently a three-mark heart or nephron diagram question. The chapter follows nutrition from leaf photosynthesis to human digestion and absorption, traces breathing and cellular respiration as energy release, tracks blood through the heart and vessels, explains excretion through kidneys and nephrons, and compares plant with animal arrangements throughout. Three misunderstandings recur. Students describe photosynthesis as plant breathing rather than food m
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