Chapter 33

Biology: Life on Earth with Physiology · 13 exercises

Problem 1

List the major structures of all circulatory systems and the specific functions of vertebrate circulatory systems.

2 step solution

Problem 2

Describe and compare the features of open and closed circulatory systems; include the animal groups in which they are found and some advantages and disadvantages of each.

9 step solution

Problem 3

Explain how two- and three-chambered vertebrate hearts work and in which animal groups each is found.

5 step solution

Problem 4

What is a cardiac cycle? How does it occur in a four-chambered heart?

7 step solution

Problem 5

List the three cell-based components of blood and describe the structure and principal functions of each.

4 step solution

Problem 6

Explain the sequence of events that causes the mammalian heart to beat, including the names of the structures involved.

7 step solution

Problem 7

Describe veins, capillaries, and arteries, noting their similarities and differences.

5 step solution

Problem 8

Distinguish among blood plasma, interstitial fluid, and lymph.

6 step solution

Problem 9

Explain the role of cholesterol in blocking arteries.

5 step solution

Problem 10

List the components of the lymphatic system, and describe three important functions of this system.

4 step solution

Problem 11

Explain how the sympathetic nervous system influences blood distribution and blood pressure.

5 step solution

Problem 12

Explain the significance of valves in veins.

4 step solution

Problem 13

In what way do veins and lymphatic vessels resemble one another? How are they different?

3 step solution

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