AS Biology A (Salters-Nuffield) - Edexcel

heart rates were measured 10 minutes after drinking the coffee. Two hours later they were given cups of coffee with no caffeine and after 10 minutes their heart rates were measured. The results are shown in the table. Male Heart rate / beats min–1 Coffee containing caffeine Coffee with no caffeine 1 75 72 2 78 71 3 70 70 Mean ± sd 74 ± 4 71 ...


Jun 19, 2022 · This origami Father’s Day card is simple to make with any sheet of paper, so you’ll . have a completed card in just a few minutes. You can choose patterns and fun add-ons and embellishments, so you can customize it for your dad. Method: Step 1: Fold paper in half lengthwise with the patterned side facing out. Step 2: Open up.

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