IB Biology Transport System

Topic 5 Human Health & Physiology 5.2 The Transport System

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1. The heart: ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Valves

Figure 42.6 The cardiac cycle

Figure 42.5 The mammalian heart: a closer look

[object Object],[object Object],[object Object],Path of blood through the heart

Figure 42.3 Generalized circulatory schemes of vertebrates

2. Blood Vessels ,[object Object],[object Object]

Aorta ,[object Object],[object Object]

Muscle contraction ,[object Object],[object Object],[object Object]

Figure 42.8 The structure of blood vessels

Pulse ,[object Object],[object Object],[object Object]

[object Object],[object Object],Control of the Pacemaker * The heart muscle beats on it own (myogenic), due to Cardiac muscle. It speeds up or slows down by involuntary control

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Figure 42.7 The control of heart rhythm

Figure 42.10 The interrelationship of blood flow velocity, cross-sectional area of blood vessels, and blood pressure

Figure 42.11 Measurement of blood pressure (Layer 1)

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Figure 42.14 The composition of mammalian blood

Clotting ,[object Object],[object Object],[object Object],[object Object],[object Object]

Clotting ,[object Object],[object Object],[object Object]

Figure 42.15 Differentiation of blood cells

IB Biology Transport System

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