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Utilizing knowledge from your learning and assigned readings, respond to the following questions:

1. During exercise, the blood flow to the active skeletal muscles is increased by autoregulation. How does this work? What other controls on blood flow operate?
2. Compare the hearts of a trained athlete and a nonathlete.
3. Describe the two types of pressures controlling fluid movement in a capillary bed. Explain the role of each pressure in fluid movement.
4. Define peripheral resistance. Explain several factors that cause it to increase and its effect on arterial blood pressure.

Lymphatic and Immune Systems

Utilizing knowledge from your learning and assigned readings, respond to the following questions:

1. List and briefly describe the components of the lymphatic system.
2. What is mucosa-associated lymphoid tissue (MALT)? What role does it play in the body's defenses?
3. You are a researcher interested in studying the cytoskeleton. How can you use antibodies to locate actin- and tubulin-containing structures?
4. How do the innate and adaptive immune systems differ in their responses to foreign substances? Explain.