Biology Reading guide Ch.17: This chapter is all about one organ system, the circulatory system. Reading to focus on: • Concept 17.2 & 17.3– • You should know the chambers of the heart in figure 17.13 and which one pumps out to the body. It helps to know this for interpreting blood pressure. Make a chart of flow. • Blood vessels. Figure 17.14 and 17.15 are good for this. Flow = heart arteries capillaries veins heart again. Figure 17.17 is a good spot to apply this. • The book doesn’t specifically talk about blood pressure, but it covers all of the ingredients: • How much blood is in the system (controlled by reabsorption levels in kidney) • How hard the heart pumps and how pressure decreases with distance from the heart (figure 17.16). • How you can regulate arteries and capillary beds to change pressure. You can see the smooth muscle that does this in figure 17.18a and figure 17.15. • Blood pressure can be the most difficult concept to master on exams because you have to
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