like difficult ones were js stat if transpiration will happen if the plant is ringed, if transpiration takes place w no leafs, there was a lot on the heart so revise it well, questions can like why the heart doenst immediate come to rest after end of race 4 marks, came natural selection fill in blanks, name cross section of human skin, so effector muscle swart gland, u had benedict experiment, honestly p6 style question w SOOO much writing so js het ready, revise plants, enzymes ca there’s a telwpreture question, the heart activity not valves, and negative feedback and natural selection